There has been a largely negative reaction to the Rugby Football Union's decision to change the tackle height to the waistline in amateur rugby in England - one of the most radical changes to the amateur game ever made in the history of the sport.

From July 1, 2023, all players at age grade and adult amateur levels in England will be required to tackle from the waistline or lower.

The chief concern for many is that arguably rugby's most fundamental defining characteristic - its physicality - is being drastically denuded.

Others questioned if the move actually would reduce instances of concussion, which the RFU believes it will.

Former Wales prop Lee Jarvis wrote: "100% for player safety, BUT if you lower the tackle to waist or below, then you are going to get even more injuries/concussions with knees to face/head. Players need to have a tackle choice to protect themselves as well?"

💯 % for player safety 👏 BUT if you lower the tackle to waist or below, then you are going to get even more injuries / concussions with knees to face / head. Players need to have a tackle choice to protect themselves as well ? https://t.co/WlMLddaHcr

— 𝐋𝐞𝐞 𝐉𝐚𝐫𝐯𝐢𝐬 (@LeeJarvis10) January 19, 2023

Rugby writer Sam Peters, a vocal concussion-reduction advocate, appeared skeptical of the decision.

"I understand the RFU has voted to implement the below-waist-tackle trial from the start of next season," Peters said. "All forms of game from National One and below. No peer-reviewed evidence to explain reasoning for decision. Previous similar trial (below nipple) increased concussion frequency."

I understand the RFU has voted to implement the below waist tackle trial from start of next season. All forms of game from National One and below. No peer reviewed evidence to explain reasoning for decision. Previous similar trial (below nipple) increased concussion frequency.

— Sam Peters (@PlantedSam) January 18, 2023

Some fear that it has created a two-tier game, in which players effectively are playing two very different sports, thus hindering the development of amateur players into the professional ranks.

The Eggchasers Podcast wrote: "RFU moving tackle height to waist from next season from Level 3 down: They've just created 2 different sports. For "player welfare?" Those affected are AMATEUR, not physical mutants as in pros, engaging voluntarily, as they might horse riding, sky diving or skiing. Farcical."

RFU moving tackle height to waist from next season from level 3 down:

They've just created 2 different sports. For "player welfare"?

Those affected are AMATEUR, not physical mutants as in pros, engaging voluntarily as they might horse riding, sky diving or skiing.

Farcical.

— Eggchasers Podcast (@RugbyPodcast) January 19, 2023

One Leicester Tigers fan even called for a protest over the new laws: "Football fans stopped the super league by organized protest. These changes from the RFU fundamentally threaten rugby overall and as a community game. Those that attend Six Nations matches are largely from the community game. Time for a protest?"

Football fans stopped the super league by organised protest. These changes from the @rfu fundamentally threaten rugby overall and as a community game. Those that attend six nations matches are largely from the community game. Time for a protest? @RugbyPodcast @mauloverpodcast

— Duncan Keene (@KeeneTiger) January 19, 2023

Not all the reaction was negative. 

World Rugby CEO Alan Gilpin rowed in behind the decision in a statement.

"In line with our six-point plan to make rugby the most progressive sport on player welfare, last year, World Rugby opened discussions with unions about lowering the tackle height in the community game around the globe," Gilpin said. "At those meetings, unions were presented with findings from trials that have taken place in France and South Africa, as well as initial data from rugby specific studies using smart mouthguards.

"Discussions with unions have progressed well, and formal proposals to be applied around the world are expected to be presented to our executive board in March. We welcome the RFU taking these proactive steps. Rugby will never stand still when it comes to player welfare, and this is a prime example of the sport, once again, putting our words into action."