“Of course you can lose, or renounce, US citizenship.”
If one is born a U.S. citizen whether born abroad or withing the U.S., one cannot “lose” one’s U.S. citizenship.
If you so believe, please source your statement.
But yes, one can renounce one’s U.S. citizenship (but pay U.S. taxes for ten years after that).
They gotcha comin’ and goin’ don’t they?
withing = within