I’ll be emailing the site admin… or some contact at the site, but, is there anything else that can be done to try to put pressure on these websites that tell me “you’re not getting the best experience… download Chrome.”?
I know Firefox has a “Report a broken site” feature, but, the site isn’t technically broken. They’re just telling me to switch browsers.
Being required to use something does not mean accepting and opposing no resistance.
Malicious compliance is a thing. They make data non-interoperable for you, you make data non-interoperable for them. They waste your resources, you waste theirs. Etc.
Regroup, congregate, organise, resist.