i think no one cares. it’s a “you know what you’re signing up for” sort of thing akin to the military, oh and you’re compensated hundreds of thousands of dollars to do so
But then again I’m generally suspicious of people strongly condemning the free, legal, and informed choices of others.
And yet, when I watch videos of these guys at 50 barely able to speak, it makes me sad, so I support changes that reduce the likelihood of CTE without sacrificing the nature of the sport. Which yes, is inherently violent.