Why LISP is still alive?

Is it really difficult to move to new programming language?
Why Lisp is still alive? 
Java, Perl, Python, Clojure, Haskel – Each one is progressively more like Lisp.

Check this 9 year old article – “Revenge of the Nerds”: 
http://www.paulgraham.com/icad.html

What programming languages have fixed over years?

Algol: Assembly language is too low-level.

Pascal: Algol doesn’t have enough data types.

Modula: Pascal is too wimpy for systems programming.

Simula: Algol isn’t good enough at simulations.

Smalltalk: Not everything in Simula is an object.

Fortran: Assembly language is too low-level.

Cobol: Fortran is scary.

PL/1: Fortran doesn’t have enough data types.

Ada: Every existing language is missing something.

Basic: Fortran is scary.

APL: Fortran isn’t good enough at manipulating arrays.

J: APL requires its own character set.

C: Assemby language is too low-level.

C++: C is too low-level.

Java: C++ is a kludge. And Microsoft is going to crush us.

C#: Java is controlled by Sun.

Lisp: Turing Machines are an awkward way to describe computation.

Scheme: MacLisp is a kludge.

T: Scheme has no libraries.

Common Lisp: There are too many dialects of Lisp.

Dylan: Scheme has no libraries, and Lisp syntax is scary.

Perl: Shell scripts/awk/sed are not enough like programming languages.

Python: Perl is a kludge.

Ruby: Perl is a kludge, and Lisp syntax is scary.

Prolog: Programming is not enough like logic.

Haskel, Clojure – Lisp is making a comeback.

source of above data:
http://www.paulgraham.com/fix.html