I made a huge step. So all the lights go on by default, but I can turn them off manually with require("neopixel").write(B15, [0,0,0]); I can also turn specific ones on in correct colour combos. ALSO, the reddish colour is definitely due to voltage drop.
I just don't know why it all defaults to but hey that's a start. The resistor and using the 3.3v output was the issue.
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