There are many reasons to not be fond of a language. Clojure is in the middle of two worlds: It's not as pure as a real lisp, and yet it still has all of lisp's syntactic sensibilities.

Some people dislike it for one reason, other dislike it for the other. Both reasons are quite valid, but I'd bet that reading like a lisp is the most popular reason.

My personal opinion is that if Lisp's approach to syntax was a winner, it'd have won a decade or two ago. But that doesn't mean other opinions are not valid.

And again, it's not that I don't appreciate Lisp: Many Lisp features have been added into members of the Algol family over the years, and it has made them better.