Is being a bit weird a requirement for being a Memokeeper or something?
I feel like becoming a memetic being when you were previously flesh and blood or steel and silicon has to have some psychological consequences, not to mention it also selects for people who are OKAY with giving up their physical form.
"The name's Hakurei Reimu! Shrine Maiden! Guardian of the Hakurei Barr — oh, right, I lost my Guardian position to Sanae. But that doesn't stop me from burnin' this place to the ground!"