Or perhaps the better question is: are all offers worth considering?
Take that one step further: are all offers worth working on?
In the eyes of a person submitting a crummy offer, of course the offer is worth working on! But in reality, and in the eyes of the seller, it’s often just waste of everybody’s time.
And if there’s one thing that will never change in real estate, it’s that nobody has any concern for anybody else’s time…