Setting Avatar to R6 does not work

I set the Avatar to R6 in Studio, and it forces R16 every time. I have saved, published, everything, tried overriding the player on Join to be R6, but no luck.

Please make avatar R6 when I say go R6.
I have spent too long trying to debug this rather than creating

Already reported (+ addressed) 2 trillion times:

The ONLY work around that I have found is putting in an R6 StarterCharacter in StarterPlayer