If you can make a rocket that reaches a Starlink Satellite then there are many other targets the same rocket can hit that would be more damaging.

Rockets are a military technology, and are treated as such.

Lot's of conspiracy theorists have become quite wealthy with the raise of Bitcoin, as it was very popular among them early on.

Military tech or not, its just atoms. Very interesting people are quite rich now, they will have access to precision machining advanced materials and chemicals if they have the motivation.