Absolutely agreed. The equivalent of "Can't have application shortcuts, you can already find the executables in the file browser* type nonsense IMHO
I would much rather have it in two places where a user would expect it than 1 place a user wouldn't...
Linux kernel doesn't include a spell checking dictionary soooooo Linux doesn't worry about whether things are words. Your particular spellchecker doesn't seem to think linux is a word but "aspells dict on my machine doesn't consider linux a word" sounds a lot dumber (because it is pretty dumb)