Yeah, it sucks that Blink (the shell) stole it from Blink (the browser engine) that stole it from Blink (the SIP client) that stole it from...

Trademark protection is around market concerns, and in general, open source projects side-step questions of "market" by giving everything away for free.

... apart from that, it's a legit hard problem to name things. As in "One of the two recognized hardest problems in software engineering" (alongside cache management and off-by-one errors).