The killer is section (f)(4)(A) allows the senate and or house committees to release the info to the full house & senate.
How it doesn’t get leaked to the MSM would be a miracle.
If the President would want to get vindictive,he could use Section (g) to get anybody’s tax return and it looks like he doesn’t have to keep it confidential.
Yes, certain to be leaked but maybe in a clandestine way.
They will be after his business partners and associates, looking for any that they can harass into testifying dirt against POTUS. Same play as was done on Michael Cohen.