It doesn't matter what change you make to your UI, some fraction of your users will freak out about it. That doesn't mean all UI changes are bad, it just means

It doesn't matter what change you make to your UI, some fraction of your users will freak out about it. That doesn't mean all UI changes are bad, it just means all user bases have users who are resistant to change. Not a user of Hey, just an observer of user behavior.