The spectrum between « influence », « borrowing », « tribute » and « plagiarism » is wide and sometimes confusing.
But honestly, I think U2 have been very fair as to how and when then did it and what they actually did.
I mean it would be foolish to think artists come out of nowhere. They’ve all learned their craft being inspired by other artists in the first place.
Imagine this thread on an Oasis fans forum… the horror.