Dude. I've already said renters don't directly pay mortgage interest. It is much the same as corporate taxes - the consumer ultimately pays them. AS A FORMER LANDLORD I can factually tell you that interest and all other costs factor into rental prices, just like that other Freeper you chose to be obtuse with told you. Interest payments affect rent, and any reduction in offsets and subsidies will have an effect going forward, although that isn't the point. The point is that, in the past, they were a factor in determining rental rates.
If you want to pretend that interest/tax payments won't have an effect on decisions to raise or not raise rents, that's just you, once again, ignoring facts to sustain your own chosen reality. Good luck with that.
As I said, if you wish to think all landlords look at their mortgage deduction and adjust people’s rents accordingly, I think you’re kidding yourself.
Any surplus funds are not necessarily showered down on renters. In many instances they go into a pool for the next building purchase.