I enjoyed the first few--they were fun enough to keep reading--and then I got to Small Gods and I remember actually yelling at the book "Where were you when I was sixteen and needed you?"
Then I found the guards and Granny Weatherwax and...well, yeah.
Eventually I found people who also understood these things. I am not saying that you have to love Pratchett to be cool, but a great many cool people do love Pratchett. (I also remember the point where I completely wrote off a job when I tried to explain Hogfather to the boss and he told me that it sounded really stupid.)
Reviewers compare my writing to Pratchett's occasionally. It is enormously flattering and also a bit frightening. That is a terrifyingly high bar to set a book up to clear, and very few books can actually stick the landing. I suspect that by now the readers have learned to be a little skeptical of such reviews, because no one did it like he did.
It's easy to be funny. It's hard to be humane. To put both on the same page and not give the reader whiplash is a rare and extraordinary talent.
I'm glad he finished the Aching books before he left.