In the UK, if you have dual citizenship, they will remove your British citizenship if they don’t like what you’re doing. I can absolutely see the US do the same.
Here’s the US rules for revocation of Naturalized Citizenship. It sounds like the OP has been naturalized for longer than 5 years, so essentially there is no way to do it anymore unless they had originally obtained it fraudulently.
The UK laws are actually a lot more lax in terms of reasons to revoke than these.
A green card is not citizenship, Naturalized means they have full citizenship.
In the UK, if you have dual citizenship, they will remove your British citizenship if they don’t like what you’re doing. I can absolutely see the US do the same.
https://www.uscis.gov/policy-manual/volume-12-part-l-chapter-2
Here’s the US rules for revocation of Naturalized Citizenship. It sounds like the OP has been naturalized for longer than 5 years, so essentially there is no way to do it anymore unless they had originally obtained it fraudulently.
The UK laws are actually a lot more lax in terms of reasons to revoke than these.