Takemikazuchi has a better effect but I feel many people still don't know the difference between character element atk and element atk. Wind and Dark already have Icarus and Jack o Lantern, making it unlikely to look for her using those teams, so unless you have a decently high break Take, people will generally just grab whatever looks like it has higher value, which would be Girim with 50% at no break, more than any thunder event eidolon at full break.