If he was a bigot back then, is he still a bigot now?
Yes, he is. As I said, he has posted why he spent money to deny gay people the right to marry and to nullify the marriages of gay people who were already married, and he has not apologized for it since.
Which is almost never.
Then there is no problem. Just tell people to use Firefox.
The argument against student loan forgiveness is that there are better ways to spend the money, like on universal childcare, than on people with college degrees. Basically any social program you can think of will give a higher return to society. The only reason to support student loan forgiveness over these other programs is for votes.