Were we to stop tech development because of 'entrenched mindset' we would still be in the horse and buggy days.

Some people simply will not, ever, heed warnings and sound advice.

I know of a guy who thinks 'gunpowder is gunpowder' and uses completely inappropriate loads in spite of being told that what he is doing is foolhardy and dangerous.

You can't fix stupid.

"The price of good shotgunnery is constant practice" - Fred Kimble