I have a doubt in ptc ads

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We see a lot of ads for ptc sites. Some ptc sites use people for their ads. people on the ads seem to be high professionals. they wear expensive cloths. four or five people sit or stand around the laptop and watch the laptop with blooming and smiling face. Isn't it too much for just one cent or 0.001$. Showing such a blooming face. What is your opinion about this.