Being positive and optimistic breaks all the forum rules, and is extremely poor etiquette, if you don't have something negative and / or depressing to say, don't bother. (justarsenal.com)
The company's poor etiquette cost them dearly when Bartz retaliated through email and interview. (toronto-employmentlawyer.com)
PLUS, not showing up for job interview and ghosting your potential employer isn't just poor etiquette; it's a bridge burned. (advice.j2c.com)