"A theory isn't completely abandoned just because of a single contradicting observation."
Uhhh, yes it is.
Uhhh, yes it is.
Did you not see the bit about Newtonian physics in the post you're replying to?
Every scientific theory gets revised as new information comes out. Our understanding of evolution, physics, biology, etc. have all changed drastically over the last few decades, but we didn't throw out the theories - we adjusted them were necessary to more accurately include new data.
Welcome to my killfile.