1. Indeed. However, having created this new mobile account I don't recall being made aware of any of the forum rules or even being asked to read them !
That's just a common practice, if you create an account somewhere, be it an online discussion forum, an email account, fb, whatever, and you start messaging a lot of strangers out of the blue trying to sell them something, even an idea, it won't take long before you find yourself rate limited or banned.