What do we do about this?

Disregard it as unimportant and continue on as usual.

>>279810101 (OP)
Ignore it and live your life peacefully

Retarded westoids have always existed. Really it's better to ignore them. You don't want them becoming anime fans because they have inherently bad taste with a preference for shit like realism, hyperviolence, and puritanical views on sex.