Unfortunatly Yeshivas are not run the way most schools are run, even day schools.
Most regular school and day schools, hire people by merit, they ask for resumes and hire the best candidates and fire people who do not meet up to specs about teaching (You have to be qualified and a decent teacher to get tenure)
However yeshivas are not run that way, Rebbes are hired via nepotism (Son, Son-in-law,Brother, etc) of the RY regardless of their ability to teach (I know plenty of people who know torah, but it doesnt mean they can teach, let alone teach teenagers)
But this is the cruz of the problem here, WOW’s son is not going off because he wants to, He is being PUSHED. Why would anyone want to be part of a religion that tells you , that you are a failure.
It has become a negative connotation and very hurtful.
I dont have much advice to give unfortunatly.