Yes, some units are useful for particular interests. Create them as they're needed and useful. Base-10 time would make more sense. Celsius at least coordinates notable values with common materials.
Some units are just stupid. The lead article gives an unsatisfactory explanation of base-12/60 time (admitting near the end the reason for base-60 is unknown); trying to explain clocks to toddlers is proving annoying (I can't explain it if it doesn't make sense, and it doesn't make sense). Fahrenheit is just an arbitrary marking on a scale and seeing how reality happened to line up.
