That probably makes the bar to reach for a successful DDoS fairly high.
https://www.rferl.org/a/marie_colvin_death_concerns_about_sa...
If someone at the top says “we need to restock 1000 additional cruise missiles”, then the person under that grifts a little and says “we need to stock 950 additional cruise missiles”, and you follow that down the chain, you might end up with 500 instead of 1000 missiles. Same would go for things like vehicle maintenance. And it might be more invisible too, like ordering cheap tires instead of quality one’s.
I have heard rumors, that some troups just sold off fuel on the black market before the invasion started. Whether that was just corruption or planned sabotage, no one of course knows.
Attacking ground stations could degrade or deny service to nearby areas with the current Starlink system. But V2 will be able to route signals between satellites in space in areas where ground stations are missing, so that won't work in the future.