Should it be necessary to have a PS2, PS3 AND PS4 hooked up all at once to play?

[brendude13]

richardhutnik said:

brendude13 said:

I didn't get how his answer linked into the question.

I saw it as, "Why have backwards compatibility, when you can sell remakes?"  In short, backwards compatibility undermines reselling old content.

Oh, gotcha. I musn't have been reading it right.