Cus it seems that topic turned to be a topic to talk useless stuff on newcomers..
This isn't stackexchange.
After reply #2, by which time your question was answered, the discussion turned to how Robin2 could improve the lesson that you queried in the first place. That's how dynamic this forum is: Robin2 (who has a number of tutorials to his credit) was actually trying to make his work better, so the next guy won't have the problem you did. Nothing wrong with that: all in the spirit of learning and what ISO and other quality folk talk of as "continual improvement": listen to your customers and make the product better.
Yeah I've noticed it gets a bit "chatty" here and sometimes I suppose a newcomer might need to sift through a few extra posts, bit when it comes down to it, your question was answered and there was no talking "useless stuff on newcomers".
Oh, and did I say this isn't stackexchange? Sure,over there, this chat's not allowed, but where's the fun in that?