This buzzing took place just miles from the Russian shore. How is that existential to the USA?
And why shouldn't Russia see a US fleet just miles off the Russian shore as an existential threat.
No fleet off Russia == no buzzing == no threat.
We'd do the same bit of buzzing if their fleet was doing exercises off the shore of New York.
We started this particular game of chicken.
This isn't to say Russia isn't bent on world domination, but all the evidence in this case points to the US.
You ignored that it was in middle eastern waters. We have an interest there. The U.K. Incidents were in the north sea