Although they are now planning to launch the first sats with other providers, they seemed content to wait for BO despite the progress oneWeb and starlink were making.
Google loon , fibre and were really hobby/limited projects without any real serious intent to take it to scale.
Google invested a $ 1 Billion in one of its investment rounds in SpaceX partly to get starlink going . So they are still pooling resources in some sense, just not directly doing it.
Facebook project seemed to get not get anywhere due to the backlash on limited access to only 100 sites etc. They did recently invest in indian teleco Reliance Jio, so perhaps they are doing something still.
In the Phillipines when you get a phone plan or data plan, it includes free Facebook (I haven’t been there for a few years but I presume it is still the same). Many people use the word Facebook to refer to the Internet.