Textbook perfect competition really boils down to two things: (1.) nobody has market power, and (2.) nobody can earn an economic profit.
If you are criticizing someone who is simply saying that most people have market power and lots of people can earn an economic profit, then don't be surprised when people think you are presenting a naïve perfect competition view in contrast to the way competition works in the real world.
Friday Night Music: When I’m 64
1 day ago