For any categorical statement like that, there will be hold-out niches where it doesn't apply yet. Hell, I'm sure there are some banking types who are starting new projects in COBOL.
Except that programming is such a large domain, you could easily classify web development as a niche itself.
Vast majority of the programming community doesn't have to ever deal with a HTML tag ever.
Which financial firms? Citations? What are they doing? Sorry guys but if they are doing finance systems with perl that's a fraud.
Internal reporting for example. Perl is often used as a "glue" between different systems.