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North American power outlets are topsy turvy - but does it matter?
(www.youtube.com)
Neat vids from youtube or wherever. Rules later
OP stated the house was built in 2019. That's quite new.
Ah. Somehow I missed that part in the all of 2 lines of text there. I am not the most observant aparently.
My best guess then is that outlet orientation just isn't part of their states electric code. To be fair I'm also not entirely sure if outlet orientation has even made it into the NEC or if it's just a best practice thing. It could also just be that their inspector didn't care. The few inspectors I've worked with always tended to not worry about the little stuff unless you did something to piss them off.
Outlets ground down is also a safer orientation with regards to 90 degree plugs as pointed out in the video, so it's honestly the better orientation for many applications.