This is silly. Rugby (and Aussie and Gaelic) have a different tackling style. They don't do the head-on hits the way Americans and Canadians do. Neither did we back before the modern equipment. It was more of a side-step, arm-grab, pull-down thing. If you tackled North American style without the gear, you'd be dead.
All this couch-potato d ick measuring is undoubtedly providing the ladies with much eye-rolling mirth.
Amen to that. When I played Rugby in Sask , way back when , the intelligent women came to watch our game.

People that knock rugby never played it.