We just came back and the CM's are very rude about rider swap. We all had FP+ but on RnR our 8 yo DS freaked out and DH ended up having to take him out. well we had already gotten in line and used our fast passes! they wouldn't give a rider swap so DH wouldn't have to wait in standby. (DS had already ridden ToT so who knew he would freak about RnR? and he loved Splash mountain, Space mountain and SDMT). Even when I pointed out WDW official policy on their website about guests not wanting to experience the ride. We didn't get to US this trip, but unless things have drastically changed in the last few years, US has it all over WDW on riderswap-much much better at US. And the paper FP (given out of ride breaks down after you are already in line) are good for one person only, vs the rider swap good for 3 people-simply give out the paper FP only for rider swap and the "abuse" problem solved!
Frankly the CM's this trip were a lot grumpier than I ever remember them being-at least 50% had "attitude" (I have a 16 DD so I know attitude when I see it lol) with maybe 10% being really great.