We’re taught both metric and US customary units in school. I prefer metric for most things, to the point I have a metric-only tape measure among other things.
However, I’ll die on the hill that Fahrenheit is superior for ambient air temperature. 0 degrees to 100 degrees neatly encompasses the range of average surface temperatures seen throughout the year in the contiguous US.
Metric. I’m a mechanical engineer. I absolutely hate the amount of extra work i have to do because this country idiotically still uses USCS / standard. Every American company I’ve worked for is metric, but suppliers are often standard only.