Whether it's safe or not depends on the cat; With my lot the reactions range from wanting as much as you will give to a bite serious enough that a visit to A&E is required.
I've been using Linux on the desktop for more than twenty years, and there are people who have been using it for longer than that. So if this isn't an old article, it's factually incorrect.
Only for Americans who have been conned that healthcare really costs that much.