You could take a poll of neurologists and probably more 90% would ban all contact sports where there are blows to the head.

No Strong Evidence Linking Amateur Boxing With Long-term Brain Injury, Study Suggests

I usually take studies from Universities with a grain of salt. One needs to understand they are usually motivated by money. i.e. The conclusions will bring alarming results to light but will also have inconclusive results. Thus requiring more studies and additional grant funding for additional studies.

Anything that makes the sports safer for the athletes is worth implementing but you should keep in mind that some of it will change the sport.

Making informed decisions rather than making knee jerk decision is usually a more prudent course of action.