2. If you can scramble a jet within mins, that may be all you need. If you consider that LEO internet projects like SpaceX and Kuiper are targeting 5-10k sats to cover the earth i don't think it's a given that "all non-nato countries" have enough to provide constant coverage, especially if you go back 5-10 years. That probably won't be true in another 5-10 years.

1. Some reports say that they've only been detected recently; referencing multiple undetected occurrences during the Trump presidency; o they've been working for X years already. If they're undetected, they can view into gaps referenced above. If this program has been going on for 5-10 years undetected then it still could have been of value to China/Russia/Whoever owns them.