That can be said about almost every discovery or achievement in history of humanity. And exactly this is why humanity always in one form or another keep doing r

That can be said about almost every discovery or achievement in history of humanity. And exactly this is why humanity always in one form or another keep doing research. And people who do something get the credit. No one is saying that relativity was going to be formulated if Einstein did no do it (Actually people were close and of course he got some help). A couple of centuries ago, Newton summarize all this when we he said that he did all that because he was standing on the shoulders of giants. This is true today like it was in 17th century.