So I'm our clubs u12, u10, u8 travel coach and a former FIS racer (a looong time ago)...I'm also the parent of a 1st year u16 and second year u10.
Overall, I think these rules are helpful, not for the kids and parents who are already "all in" for ski racing but for those families who are considering the sport.
I've seen kids in the u10, u12 range, who've had almost no race training decide to race in their free ride gear and demolish the kids on race skis and race suits. We want to get these kids to race. So the 2 races per season where race suits are not allowed are great venues to expand the field size and get more kids involved. Both the kids and the parents won't feel like they're at a disadvantage because they don't have the best equipment. I think the same applies to multiple pairs of skis. Those of us who have some experience, know it's the skier, not the equipment. But if you're a kid or parent who's new to ski racing, then I think it's perfectly normal to think the race equipment gives a significant advantage and then feel pressure to get all the gear if you want your kid to have even a chance...Faulty logic, but also understandable.
I completely agree that a race suit is not really necessary at the u10 or likey even the u12 level, but if a kid is into racing and wants to wear one, then great. Both of my sons love their race suits and wear them EVERY day (their choice, not mine)...Even on powder days under their jackets and powder pants because that's what they're used to and to be honest, they are a great insulation layer.
I don't think there are any changes USSA can make that will convince the over-enthusiastic parents to stop buying expensive wax and multiple pairs of skis. But I do think USSA can make events where the playing field is seen as more level to those who are new to the sport. Seems like this is an attempt to do that and hopefully will get a few more kids interested in racing