Games that were removed from PSN and acquiring them?

So it’s pretty much asking the question in the title. I know there is another thread but i checked and its pretty old. I seen that people used to share games on each others account by downloading them. I’m not sure if this still happens or whether this is decent practice still?

I recently got my hands on a copy of mvc2 as my friend had purchased it from the psn store before it got removed. Forever grateful to him for letting me use his psn.

There are other titles that may never come back:

MVC Origins

Jojo Bizarre adventure HD

Hokotu no Ken (Fist of North star)… I believe this was on there, not 100% sure.

Plus I’m assuming there’s more. What are people doing these days to recover the games?