I think that is the most significant factor. Apple is very good at keeping their users in their ecosystem so if you are in it Apple Notes would be a good fit for you. Then again if you aren't in the Apple ecosystem you wouldn't be able to use Apple Notes.
I find myself using Apple Notes religiously just because it's a damn stable piece of software and works well on the apple ecosystem.
I think that is the most significant factor. Apple is very good at keeping their users in their ecosystem so if you are in it Apple Notes would be a good fit for you. Then again if you aren't in the Apple ecosystem you wouldn't be able to use Apple Notes.