Why don’t some Europeans get together and make a phone and OS?
Access to the EU market is voluntary. Apple only needs to abide by EU regulations if it wants access to that market.
Of course Europeans won’t ever ship a phone or OS —.
History didn't start in 2008 with iPhone. For the previous decade American mobile was - without exaggeration - backward (CDMA, no portability, cost prohibitive SMS). Meanwhile in Europe: Siemens, Ericsson, Nokia...
why doesn’t the EU have their own FAANGs?
A big factor is that the EU is less comfortable with extreme poverty. This allows the US and China essentially to undercut the EU.
A more complicated factor is culture. While European business culture isn't aggressive enough to succeed in the current era, the flip-side is it does have a reputation for great design and high quality.