Only doubleshot from Cherry are worth it.
PBT is greatly overrated.
POM are underrated even thought POM is used to make motorcycle protectors/sliders.
If POM is good enough to protector a 200kg motorcycle from the tarmac, it's good enough for me.
POM can only be harvested from Cherry and Noppoos.
1: may be true, though I really like WYSE thick.
2: It's a preference, but I think PBT is amazing
3: I need to get some POM, but that's a logical fallacy (I mean seriously: just 'cause they use it for that, doesn't mean it'll work for keyboards. Just 'cause I can use water to protect my hand from boiling lead, doesn't mean I should put it on my keyboard, to protect it, too.)
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That said, I think you'd be happy with POM.