What fails first? Your quads or your grip? Your lats or your grip? What you training?
You worried about your grip strength? Train grip? You lazy, like me... Do all above until your grip fails ( you've trained your grip) you haven't trained back or legs yet. Use straps so you can.
A quick google of ‘why use hook grip’ gives a variety of reasons.
I get your point about straps but, personally, I can’t lift enough to need straps yet so hook grip for the time being.
Grip strength?