Im sidehopping to left and hit my discs a couple of times , it bends not very easilly and there is no maintenance for disc, for rimbrakes there's a lot of maintenence , you must keepyour brakesystem clean , grinding your rims , and your rims are getting ugly from it , and your rims are getting faster damaged. The grinding makes your rims thinner thinner thineer , and you have to grind your rims weekly
And a cracked disc costs 30 a rim 50 to 60
I hope that you've enough information now