In normal circumstances, yes it doesn't necessarily mean anything. But when a troll such as FreeWorld comes along and tries to bag out the industry in which he himself has an interest in...I find it pathetic.
Yes, it was kind of like a revision lesson. Notes wise you're better off writing your own summaries from textbooks.
That's why I didn't find it that useful, but that's just me since I'm self-sufficient. It all comes down to whether you need someone to motivate you.
Yeah, I agree with this guy ^
I myself found 11 units to be the optimal choice as it gave me a slightly better sense of safety, as well as allowing me to study on all subjects effectively.
All in all, it's what you think is best.