Counter argument on the Borg encounter: By accelerating the Federation encounter with the Borg, he likely prevented more suffering than had he not intervened, as it would have led to an unaware Federation not being prepared for Wolf 359. Yes, the Federation survived that just by the skin of their teeth, but they survived.
Just use main. I'm not bothered by either, but I'm not in the demographic that would be bothered by master, so I use main and STFU. It takes way less effort to switch to main (if you haven't already) than to come up with all this rhetoric about why master shouldn't trigger people.
Drug dealing operation. Like those pizza places where you order an unusual topping combination (e.g. anchovies and chocolate sauce) and the pizza box comes with a kilo of cocaine.
No, the human perception of temperature thing is a myth. Originally 0F is the freezing temperature of a brine solution, and 90F was Fahrenheit's estimation on the average human body temperature, and then the scale was adjusted so that it fit in better with Celsius reference points (freezing/boiling points of water).
Add some pontoons and call it a day.