Disney+ CDN

Yep, they decided to buy BAMTech and build their own:

Under US law, ideas submitted for patent need be "non-obvious". There's no
requirement they actually be a good idea. Though I guess that it should prevent
the patenting of obvious bad ideas - but $DEITY knows there's plenty of subtly
flawed concepts out there.... (And there's ample evidence that the USPTO is on
occasion challenged by the "obviousness" requirement...)