You'll find such forbidding tends to exempt the countries themselves. Every military on the planet uses jammers.
I can't collect taxes, but they can. I can't put someone in jail, but they can. I can't negotiate with foreign powers, but they can.
As an aside, I think this one is a maybe (in the US). Weirdly in over 200 years there's only been two indictments under the Logan Act and no convictions. [1]
[1] https://www.reuters.com/article/us-usa-trump-russia-un/flynn...
Probably also biased towards a satellite with jammers.
Yes, wars create debris. In this case, on the ground.
Russia is jamming their Western neighbours' GPS. I can't wait for US microwave weapons that fry their satellites.
attacking satellites is an escalation, and if they retaliate in-kind, we'll get mutually assured destruction of satellites and Kessler syndrome, and the size of the US economy means there's a lot more to lose in MAD compared to them