I agree with this! Your post reminded me of something I witnessed a while ago: there was a person who shipped two characters from a cartoon and both of them were, like 2-3 years old. Then people didn't like that (they thought it was disgusting), and the person got mad, took it a step too far, and assumed they were calling them out for being gross and forcing them to do gross roleplay with the characters. (There's another more specific term I was going to use, but I'm not sure if it's allowed here in the forums.)
TBF, I thought the reason why the people reacted that way was because those characters are too young and innocent to be thinking about relationships and stuff. But either way, I didn't like how both sides reacted. Just leave them alone, let them enjoy their ships. And to this shipper, just. Chill