Yes. And redesigns are specifically the issue. Q: What gesture should be used for answering a call on a touchscreen phone: tapping a button, or swiping? A: I

Yes. And redesigns are specifically the issue. Q: What gesture should be used for answering a call on a touchscreen phone: tapping a button, or swiping? A: I don't know, but once you've picked one and users have learned it, don't suddenly change it without explanation and make your users panic because they can't answer calls.