Evangelion is a disgusting anime to consider part of your national personification. Drop it and pick up Ghibli films more please Japan.
The style of your comment is not making a good case for knowledge of this subject.
If you want to go down the rabbit hole you’ll find a lot of quotes from Anno and others on it.
A lot of it boils down to “we did this because it’s cool and we have no idea what Christianity is” down to Anno going “Yeah I could do this because no one in Japan is really going to care and I don’t really care about the Western world anyway.”
https://wiki.evageeks.org/Statements_by_Evangelion_Staff
It’s fine to not like it but it’s quite a step to go “this is how Japan thinks.” It’s akin to saying America is personified by the Simpsons every time they go to Japan.
Caught the BeOS fan ;)
(I kid, mostly but remember Lain fans rabidly trying and espousing it)
The "weird mysticism" is just the reification (pun intended) of the urge to self-harm. i.e. Literally turning into a puddle of emotion, or allowing oneself to be crucified.
It's visceral in a way I've never seen before or since. Going all in on a surface-level understanding paid off in my mind.