.
All kinds of bad.
He doesn't want anyone to keep digging and I don't blame him.
Maybe it's something personal like a $26.000 deduction for artificial tanning lotion. Cheers and happy weekend!
Basically, his tax situation is NOYB. The only possible reason for anybody to want to see his returns is to find something they can use for ammunition against him. So he doesn't need any other reason to refuse to publish them.