“So the parent “forcing” their son to go to college is a decision a parent makes because they feel it is the best thing for their child”
I then suppose you would equally posit that the parent “forcing” their son to go to Beis Medrash is a decision a parent makes because they feel it is the best thing for their child.
“So then is tzedaka supporting his learning?”
We’ve had a long discussion on this earlier on the thread (see my previous comments), but it is worth noting that even IF it is the Rema and Shach says you are allowed to live off tzedaka in order to learn.