For this one it really depends on the context. Many apps are super pushy and don't give you notice they are even trying to do anything. If I was minding my own business and just happend to open amazon music on my phone to listen to music, I would get super confused about time my watch decided to try and pair itself to the account. Like first off, why are you messaging me, second why are you trying to do something i didn't ask you to do.

Granted I could tell right off what that message was likely indicating it wanted to do, but thats because I've used tech for years now and I understand how code based pairing works. I could defo see someone who wasn't used to code based account pairing looking at that and saying "what does this mean, why do I need to go to a website and put a code in"