Yes, many companies have bad lead qualification and try to sell their product too early. But that's orthogonal to the concept of having a landing page or a call

Yes, many companies have bad lead qualification and try to sell their product too early. But that's orthogonal to the concept of having a landing page or a call to action in itself. The problem is not having or not having calls to action, it's to figure out which call to action is relevant at what step of the funnel.