Oh, they are not. No more than the USA is obliged to protect those countries who don't provide their own "ship protection" in the Strait of Hormuz. They have been called out by TRUMP, and they can deal with it.
Iran says that
foreign governments or intelligence services could deploy drones that look like Iranian models, then blame Tehran for the attack. This is part of a broader narrative Iran is pushing as drone warfare becomes more widespread in the region. The claim appears in coverage of Iran’s expanding drone and cyber operations, where Iranian officials argue that:
It would be very interesting to see this happen....
I mean,
I am A ok with this not ending well for Iran....