I agree that it's not a matter of worshipping, and that the only thing that really matters is the result of the training. On the other hand, I do think it's important to know, for example, whether an idea was actually expressed by Plato - with his original agenda - or a later Neo-platonist with a different one.
Consider this website: http://www.fakebuddhaquotes.com/
Strictly speaking, all of the Mahayana literature belongs on that site. This is not to say that the Pali literature (Hinayana is a derogatory term that fell out of use a long time ago) is a precise historical record. It isn't and it wasn't written to be. But it's the best we have, and the distinctions between the early Pali suttas and later Mahayana sutras in emphasis, tone, goal, methods and beliefs are not trivial. The Mahayana is in quite a few ways a different path. Again, I'm not knocking anybody for following whatever path they choose, but I don't see any advantage in doing so blindly.