Spoiler alert: It’s because white people are allowed to fall in love
A significant portion of martha hate is racism, whether explicit or implicit, maybe not all of it, but if you just ‘don’t like her for some reason’, we all know it’s because she’s black ok, just stop, tw: racism
TRUFAX. And now a bunch of people will pop out of the woodwork saying “we don’t like Amy being in love with the Doctor either…” but really your problem is martha. And your problem is that she’s black. and had a personality, and stood up for herself. and wasn’t just grateful to be in the tardis, like YOU would have been.