No, the lesson should be that anybody traveling out of their own country should realize they are under a different justice system. And follow all laws in that other country, or face the consequences.
Does not matter what the country is. Russia, US, UK, France, UAE, Malaysia, Japan, or anywhere else. When an American leaves the US, they are no longer under the protection of the US, and the Constitution no longer protects them.
Hell, she is a lesbian. Let her go to Brunei, Afghanistan, Iran, Qatar, Nigeria, Somalia, Yemen, or UAE. Each and every one of those countries practices the death penalty for homosexuality.
And not just a bullet in the head, in quite a few death is actually by stoning.