Everything gets continually tested by a lot of people. Entire forums dedicated to weed out bad sellers and identity good products ..
Yeah, sellers are usually super responsive and will normally fix any issue if you are polite and abide by the rules.
Ummm what exactly do you do if you are scammed in real life? Go to the police and file a complaint that will never go anywhere? Lol
Or you mean if in the real world you get scammed by a company? Can YOU really start a lawsuit? What amount of money are we talking about? 10k,100k, 1m?