My company does the same, and it can be convenient. Twitter's public link shortener, t.co, is one of the worst, imho, because it ubiquitous (so you can't just

My company does the same, and it can be convenient. Twitter's public link shortener, t.co, is one of the worst, imho, because it ubiquitous (so you can't just treat all t.co short links as junk) and yet they make it really difficult report spammy short links. Often these short links get used outside Twitter's platform.