I'm one of those random bastards who saw TCM 2 before
the first one, and I have to say I like it! I was somewhat younger than 14, I had never seen anything like it and the movie made a lasting impression on me(not to mention my mental state).
I like it because I think it's one of those movies that stick with you, there is so much sick sh*t going on throughout the ~100 mins that you just can't shake it off that easily, and the humour just makes it even more memorable. As mentioned I hadn't seen the first one, a fact I think added to the psycho-nightmare-feel of watching TCM 2 for the first time!
For example: the first minutes with what looked like a zombie(Leatherface & friend) on a car sawing the sh*t out of another motorist in full speed set to rock music...
It made an impression...
Now having seen the first one, I can understand why people consider it to be the best. But TCM2 will always be the favourite for me!
(I have not seen any of the remakes, but it would be fun someday.)
BTW: I have never done drugs..