I just wish he wouldn't get promised things, and then gets slammed back.
I totall relate to what you're saying. OTOH, my kids are only 7 and 8, and I've already learned from multiple experiences that this is something that we are going to deal with in gymnastics so don't get emotionally involved in things coaches say prior to official move ups.
My son started L4 as a 6 year old and turned 7. He is going to compete L4 again I believe. He had next to no bonuses this year and didn't get his mushroom circles until the end of the season, and even then he did them in warmup and fell during the comp. I wouldn't be the least surprised if he did L5 two years also. And I do consider my son to be an exceptionally gifted athlete. But on floor, he still has a poorly shaped BHS, no decent straddle press handstand. Obviously pommel has a way to go before he could do L5 bonus. He does not go to a handstand on Pbars. It would be an oddly chosen use of a weekend day to go to an L5 meet next year and compete against 9 yo L5s (who've turned 10) who have all their bonuses, unless truly, he just zooms through the bonus skills for L4 and kind of has to be moved up.
If you put a mushroom in his bedroom, he will do it all the time. Thunk thunk thunk thunk ....