I suppose I get the signals by body language, so I know what Lucas doesn't care for. I also notice when dining out what he orders.
When I cook something new, I do ask how he liked it, and he will honestly tell me to throw away the recipe, cook it a couple of times a year, or keep the recipe! (He is very sweet about it, thanking me for trying and he appreciates the effort. He only grills, so I do most of the planning and cooking.)
Often, I ask him what he wants for supper, and he tells me, and I kind of file that away in the back of my brain what he requests most frequently.
I must assume that Mr. Soil and others are trying not to hurt anyone's feelings, and if in general things are good, why complain? (Although I agree that if something occurs over 10% of the time, there should have been more signals!)
In answer to the question: there is no "responsibility". It is just the way a couple works communications out differently from every other couples' methods.