No, your doing right by taking the cricks out of the cage.
They can annoy, and even bite a little cham like you have.
It's best to feed at about the same time every day.
My guyz get fed at about 3:30pm, when I get home from work, and they are
waiting!!
Just provide him with all he can eat while you watch.
IMO, young ones need to learn hunting and feeding skills, that's why I dont
believe in cup feeding untill I am happy with their own ability to catch prey
on their own (a few months maybe!).
P.S. can you post a pic of his cage?
Do you have anything on the floor of the cage (substrate)?