Correct. However, a hidden profile on its own is not evidence of an alt. It is a matter of privacy.
Yes. There is a reason that Blizzard gives it as an option. My read time and the number of days that I have visited the forum is irrelevant to my posts.
Here you go…
Edit: Not wanting to bump this thread
Meteorblade actually did answer assuming that Phoenix is referring to this thread.
Please end s26 please - General Discussion - Diablo 3 Forums (blizzard.com)