I believe booking.com ran on perl for a very long time. Maybe still does. ~relevant quotes from https://github.com/globalcitizen/taoup ...
In #devops is turtle all way down but at bottom is perl script. - @devops_borat
Comedy: You, trying to launch a startup from scratch using Java. Tragedy: Me, trying to debug 27k lines of legacy Perl that brings $113MM/yr - @NeckbeardHacker