A simple answer to what could be a very long answer - street car = solid flat tappet

Yes there are ways to "make a roller live" and there are bushed rollers for those who want to avoid needle bearings BUT all have a finite life and each have there own set of problems/hassle.

talking about lifters people bought years ago isn't what is being said - there are problems with CURRENT quality - I'm a nobody but I can second what Dragula is saying