What's the idea behind a commercial that intentionally negates the product?

For example, the following commercial for the PlayStation 1 from the nineties:

I do not recognize any real meaning behind such things. Should not a commercial even just praise the positive sides of the product? What is the strategy? Should one make fun of the critics?

You can't explain irony.

In this spot, the exaggerated portrayal of boring, bland 'normal' life is juxtaposed with the exciting, varied console.

You can hardly make it even clearer.