Time and resources to comparison shop (in a broad sense) being neither of them infinite, the more we can assure certain definitely- or probably-bad options are

Time and resources to comparison shop (in a broad sense) being neither of them infinite, the more we can assure certain definitely- or probably-bad options are absent from the market, the better the market will function. Pro-healthy-and-effective-markets and absolutist pro-liberty or laissez-faire stances aren't always aligned.