"catholic : comprehensive, universal; especially : broad in sympathies, tastes, or interests <a catholic taste in music>"

Note that he didn't capitalise the word.

Edit: sorry, I don't tend to read the article's author's name -- bad on my part. Sorry about that.

note that he is she.

she

a shibboleth that the author will use a $5 word where a nickel would do

I see what you did there.

(Shibboleth is one of my favorite pieces of esoteric vocabulary, but it's at least $10.)