Oh my gosh, look at her butt
And flat out forcing it off because of this is some how more polite? Sounds like you'd seem just as pushy since you're still telling them no.
Basically this (if at all), as if "not liking it" is enough to request not using it, that's not really much different than "can you not use that palette plz, I only accept default ones".
'tis a hit-grab. c: