[superkuh]

One of the primary, if not the most important, youtube-dl use cases is older computers and older installs that cannot handle modern youtube javascript. By not running javascript at all most of the security issues on the modern web can be mitigated. There are lots of responsible people out there running old software. And even more people who are just poor and can't afford the new hardware required for new OSes required for new browsers.

[classichasclass]

Exactly. I still supported Perl 5.005 with a number of my projects for precisely that reason. Even now I still try to target around 5.6 or 5.8, despite being quite old.