Honestly, this is actually one of the better-written parts of the movie if you really pay attention. His Spider-Sense only comes back because he stopped suppressing his powers, so if he had kept the inhibitor on, he wouldn’t have sensed the shot at all and Jean would’ve been the one hit instead.
That moment isn’t just about him accepting himself, it’s literally what saves her life. I feel like people miss things like this because they’re focused on big twists, but this is really solid writing hiding in plain sight.
If he hadn’t removed the inhibitor, would he still have been able to sense Frank’s sniper and save Jean?