With no new fonts I'll get by a long time without caring, I've never needed to comission a font.
With no new songs I can keep discovering music my entire life.
Without new software libraries it is hard to make use of new software/hardware/technologies.
I'd prefer a world with new everything, and yes many new libraries are 100% useless, but the analogy is bad.
For people who care about, support, or build Free, Libre, and Open Source Software (FLOSS).