It's just a name for what some very nice people are.

[ She can't seem to see what's wrong with people being grim reapers, apparently. However, Botan is most definitely on Team Hitsugaya being a teacher of sorts. ]

How's it so weird? Humans are just one kind of people. Not being human just means you have a lot more to learn about yourself.

[ It's what she's been doing. ]