Oh, I have not so fond memories of that before retiring. I worked in IT in a systems engineering group. One of my co-workers sitting a few feet away would go into screaming tirades when talking on the phone to help desks presumably manned by Indian workers. He'd be screaming profanities, banging the phone handset on the desk, in general losing it, every time he spoke with these Indian idiots with heavy accents. "G*d d*mn it, learn some f**k*n English you ***& #@#$ a$$h*l*!" is one of his milder statements. My co-worker was very passionate about his work. He was a flaming liberal, got on my case about being conservative calling me a redneck, wherein I just smiled at him.
The Indian accent is peculiar. Even tho they know English and can write it with no trouble, they clip their words when speaking, leaving off whole syllables. That makes understanding them a nightmare, especially if one is hard of hearing,as I am. When dealing with them I prefer written computer chat to verbal chat. I fully understand your colleague’s screaming rages, be he a lib. Or not.