If FF was only a single digit percentage representation of browsers showing up in their stats then I would drop support for it too, and put a banner up for browsers that aren’t tested against.
Yes but install a cute banner. We didn't test for compatibility with your browser. We're sorry! You may continue to use your browser, but you may get errors and see all the subliminal advertising to buy more of our fine prducts!
Their website in general.
If FF was only a single digit percentage representation of browsers showing up in their stats then I would drop support for it too, and put a banner up for browsers that aren’t tested against.
Yes but install a cute banner. We didn't test for compatibility with your browser. We're sorry! You may continue to use your browser, but you may get errors and see all the subliminal advertising to buy more of our fine prducts!
Why? So no one has hurt feelings?
Yes. And to let them know you don't particularly resent their choice of using a non-standard browser.