IO - I think we are getting way off track here
The debate, if one is to be had, is VFR with ref to the ground. In muck.
The secondary debate that emerged is technology/glass cockpit. This is a current preference, not a dig at GPS wandering or glass vs steam
You relish the technology, others either do not, nor wish to.
As you state the vast majority of GA either cannot, through poor, inadequate training, grasp the advanced designs, or alternatively do not wish to use it. But this was the issue at hand. The dangers of either using the equipment with poor understanding, or utilising it as a primary nav technique, which is also foolish.