Putting aside one's feelings about GoFundMe, the timing of the father's retraction of financial support places this young man in a complicated snarl.
To be clear, in order for this young man to have received the measure of financial aid from his chosen school that he did, the father would have had to complete and sign a fairly complex form, confirming his financial relationship to his son. Putting aside the fact that most admissions cycles are long-closed for the 2019-20 school year, any 4year college (public or private) that this young man attempts to attend this fall will use that same fairly complex financial form to assess the measure of loan and grant eligibility. By the time this form is due for the 2020-21, this young man will likely be able to be considered financially non-dependent on his father (unless the father continues to claim his as a dependent on his tax forms).
I mean, if I knew this kid, I'd encourage him defer enrollment from his school of choice to take what is today called a "gap year" and spend the time getting financially untethered from his father so that he can be considered for more comprehensive financial aid next year. But, as I did, I'd also try to be kind to a clearly naive and sheltered 18yo just graduating high school who has just had a pretty big rug pulled out from under him.
As for that controlling, cruel, self-centered prick (exhibitA) of a dad... no kindness for him.