So many computing languages have come and gone over the years; the number that have been created vastly outnumber those that have ever been popular, let alone that are now popular.
Lisp is amazingly vibrant as a family. People are still excited about it and there is development work going on. That's amazing for something with such old roots.
I added two instructions to the virtual machine this morning, and used them in the compiler of a Lisp dialect to eke out a little performance gain. Wo hoo!
The haters can all go stuff it.