The guy does have a point, yet is bring downvoted into oblivion.
Government can play a role in the improvement in the everyday life of it's citizens. As an example, I pay 25 euros/month for 200mbps fibre internet thanks to my government's antitrust laws.
Precisely. It will also depend on how well you've grown to know and become friends with the people in question.
Myself and my close friends curse, insult and tease each other in a manner that we find entertaining; however if I had this same type of interaction with someone I've only known for a couple of months it would be insulting and I'd avoid that person.