For kids that have neither the interest nor inclination sports during school time takes up only a small portion in relation to everything else. If they don't want to be involved with sports and don't like anything to do with it they don't need to be encouraged and pestered to get into it.
For many many kids however sport offers them a way out, gives them something to focus their energy and channel pent up emotion and learn to curb, control and become disciplined with many of the world's top boxing or MMA champs from similar backgrounds and same stories to tell.
I used to play a lot of netball and was captain for the county under 18's at one point but lost interest / had no particular desire to keep playing and pursue a place on the England squad and then up to GB etc. If I'd been a kid with issues, an unstable family and home environment and little else or support from others I'd have no doubt been full on and played my way as far as I could possibly go and for a lot of kids, that's what they do and what sport gives them.
If it's not for your child and you don't care for sport fair enough. It does so much good for so many and I don't think it's reasonable to consider it bad across the board.
I remember a brief spate of complaining about equestrian sport being the only one in which men and women compete equally and it was a brief thing because the world's equestrians went “WTF who rattled your cage??” 😂
Competitive sport is rough, tough and gruelling with only the most committed, dedicated and fiercely competitive people likely to want to see it all the way through and right to the top. They want to do it and win on merit. Watering it down and taking the fierce competition out of sport would be the worst, most ridiculous thing we could do but I can't see that happening.
I watched the wheelchair football and Cerebral Palsy football matches yesterday and those lot are savage and hard as nails. So much better to watch than mainstream football as well.