Not when that person is a bad faith actor. He’s not asking not to be called cisgender because it somehow relates to his identity but because he’s promoting a certain worldview. He is the first to say that words have immutable meaning and is educated enough to know what the cis and trans prefixes mean and how they are not exclusive to gender.
You gotta track stuff you want to buy ahead of the pre-sale price hikes. Depending on where you live, what you want to buy and how much money you make that might be too much time and energy so checking price history sites (like camelcamelcamel for amazon) when they’re available also works in a pinch.