[Cro_on]

It's definitely likely that many etymologies are disconnected from the one(s) assigned. And of course it's nigh impossible to get to the bottom of words which have multiple etymologies that stand up under scrutiny. But to say the entire thing is poppycock is like saying the entirety of recorded history is poppycock without adequate peer review / reliable sources. 8/10 use cases will find the information (contradictory or otherwise) useful.