The water resistant argument is weak at best. I've had water resistant android phones for years without extra bulk. The problem is solved, all Apple had to do is look.
With that said, I don't actually disagree with taking the headphone jack out. I do think there needs to be a more universal replacement than what they are suggesting though.
It's mostly the fact that it was replaced with the lightning port that gets to me more than anything else. If it was something like USB-C, I'd feel more comfortable since that should be more widely available in time.
With that said, I don't actually disagree with taking the headphone jack out. I do think there needs to be a more universal replacement than what they are suggesting though.