So say we all.
I understood that Star Trek DS9 reference! /s
I think Rey’s struggle with the darkside works better with Rey being nobody, in that version, after learning that her parents dumped her in TLJ she develops the feeling that she isn’t wanted or worth of being with the others, that combined with the temptations of the darkside making her think that “she isn’t the Jedi, that she should be” brings her a myriad of anger issues and selfdoubt.
I find that more believable than “Maybe becomes bad because evil genes!”