Calling out bullshit is fine but I'd choose better language.
"This is unacceptable and this change makes me very angry. I will not be considering future products from Ubiquiti"
"This is unacceptable and this change makes me very angry. I will not be considering future products from Ubiquiti"
Have you never interacted in a non-business sense with someone who worked customer support? They DO NOT have control of what they tell you. They will get fired real quick if they don't follow the script. Especially someone working the first line of support in a chat box.
C'mon man.