> Don't you think they would demand government to make LN nodes get a money transmitter license so they can siphon data from those nodes directly if their current setting would not work?

I think they could try, but I don't think it would work. Money transmitters are required to get the KYC info of their users, which is a serious hurdle to onboarding, so I think most users would just gravitate toward wallets where you don't have to do that -- e.g. ones connected to "underground" routing nodes. And thus the KYC'd routing nodes would simply be routed around.