It's a personal return. Any business income that flowed through from an s corp is taxed at personal rates. Deductions also flow through from an s corp and are taxed via the tax code for personal returns.
If it's a c corp, it doesn't flow through to his tax return.
You're just making things up. It's impossible to look at that tax return and tell what would happen. Whether you're making these accusations or you're reading them somewhere, it's just baloney that's being made up. You've stated that he made this tax proposal to save himself all this money and you have zero evidence at all that he would save a dime on his personal return.
Your post can be categorized under fake news.
I can't help it if you didn't even bother to read my link or any news source for that matter. Many of them actually published the pages so you can see it yourself.