Well, maybe pissed is a strong word, but, as an educator and someone frustrated in general by the way grammar, punctuation and spelling are slipping to the wayside, I find it annoying when I notice it.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"