i think it feels the closest to an e3 level misguided-but-earnest thing we've seen at a convention in a while

I've had more .4 prints fail than .2 lol

I can't offer a fully scientific explanation but short answer No

Not inherently. Durability comes more from infill density, print speed, wall thickness etc than layer height

You have the unique opportunity to do the funniest thing of perhaps all time

huh whuh

you do now!