Lisp isn't a failure. You're commenting on a server that is powered by a Lisp.
>Why did Lisp fail? Many people say, because it couldn't be standardized properly.
There was a very good idea about how to standardize Common Lisp back in 1982. It divided documentation into 4 different parts, or 4 different "colored pages". It was eventually abandoned because of the time constraints. Read DLW's (one of the 5 main Common Lisp authors) news.yc post about it:
Read more about it here: