It sounds like he’s being pretty selfish (young adults seem to go through this phase – it does pass); PLUS he’s being encouraged by those around him in the AMO who are possibly panicked by the thought that he might not be able to spend as much of his/(your) money on tools and functions.
But shutting off his supply of “expendable income” (yours) is likely to result in exactly what he fears and YOU want: him becoming “persona non grata” in the eyes of his upline because he’s “Not following the System”. If he’s not pumping money into the system – they’ll drop him like a stone. They DON’T care that he’s
nice/smart/hardworking…whatever. They only care that he keeps the money flowing into the pockets of his upline. Period.
The AMO functions best when your sons fails. He pumps a lot of money into their coffers; and they don’t have to share it with him because he never got to that “magic” level where the kickbacks start.
And *I’d* keep bringing up the Biz 😉 If he was a drug addict, would you stop telling him to leave the drugs alone???