I've always thought of "blob" in yerms of ot being opaque and hard to understand, like a blob of putty with little structure you can dig into to get at it, you just have to take it as one solid barely understandable mass to use it.
Never thought of it as Binary Large OBject ;p
I'm not sure they'll succeed in extinguishing linux. But I do get the worry, especially with WSL.
What I am more worried about is them potentially extinguishing git via their control of github. In particular, with their github cli tool and such >.<