So that spacex rocket just blew up today

They were able to pin point the root cause to a faulty fuel system caused by a a bug in the LISP software due to the fact that LISP programmers never do any error handling. Why do we still use LISP, or any functional programming language for that matter, in the year 2016. It's old and ugly and only used by Jewish academics who can't be bothered to learn how to create something useful.

any sauce on this being a bug in lisp code? I wouldn't be surprised if it was (I like lithp but lithper claim that it allows writing bug-free code is laughable) but I couldn't find anything on that