With all of the threads on GPS seemingly degenerating into this kind of mess, with two very polarised points of view, it is probably not worth continuing.
Well yes. As you have found, the mere suggestion that GPS is not a necessary tool to fly perfectly safely and accurately prompts derision, strange comments alluding airliner ops and shameless attempts at humiliation.
The posts about having one's head stuck in a map suggest the execution of fundamentally bad technique.
Sadly, I agree with VOD80, whenever I see somebody using GPS, it is head down and a near constant effort to bracket the line. In that regard GPS has a lot in common with Map/Watch/Pencil VFR in that it is badly trained, planned and implemented.