You are correct regarding the complexity. I can’t even imagine the level of complexity of a return for someone like him.
Not to mention, you would need to scrub them to black out private information such as dependent social security numbers, bank account numbers, private addresses, etc.
BS
It might be complex for you, but it's not complex for professionals..
Ya see there are tax experts who do this kind of thing for a living, everyday, and if there are obvious discrepancies they'll be noted in record time.
This isn't rocket science.