I'm not going to argue with you on words that have already become accepted by the people whom they affect, or that most of the things you are saying are othering to the people affected and work to say that there is something wrong with them for being different / have been used to actively dehumanize marginalized groups.
I will say you are on the wrong Lemmy if this is the fight you want to make.
Printers are a restricted item in most countries when it comes to manufacturing and producing due to counterfeiting, as such any open source printer you could produce would most likely run a foul of local laws due to the ability to remove anti-counterfeiting requirements.