There is no evidence she did this because of US taxes. Another troll thread from the OP.
The ability to save money from taxes long term is no evidence?
I agree it's not a slam dunk, but i'd say the likelihood is pretty good.
No it is not evidence of motive.
My niece recently moved to Florida because she hates NY winters. She will also not pay state income tax.
Did she move to Florida to lower her taxes?
Moving and renouncing citizenship don't have to go hand in hand, apples and oranges.