Let's try to keep this topic focused on the problem at hand. There are other threads that address the 'extra' questions.

Support is very busy, so please be patient about the guide.

j2722, the option to start the tutorial is only available right before you adopt your first person after starting a new game. Do you remember whether or not you said "Yes" to that question?
OK, so here's what we have so far: in both of these situations, a generational transition was involved, and the tutorial was active for at least one of them.
Have you been pausing the game at all during this time? Did the game behave normally during the first generation with respect to emails and other play aspects?