That’s fine if your iPhone happens to be less than a year old. Not so much if you’re sporting an iPhone 6s.
depends who you ask, my friend is quite content with his 6s after a second battery replacement.
New mid range androids coming out with 730 and 730G processors this year, those are comparable to the A9 in the iPhone 6s/SE1 in terms of power
the point being the phone is still capable and fine today, some people may be ready to get a new phone but not everyone with a 6s is