Why continue to engage with those whose views never change because they are engraved in stone? What do you hope to gain from same same same?

The merry-go-round plays the same tune at the same speed and at the same sound level over and over and over and over and over and over. The conversation goes in circles and always ends where it began. There is no hope for progress. All you get for time and effort is sameoldsameoldsameoldsameoldsameold. Why engage at all? What do you get out of Groundhog Day that makes you keep repeating repeating repeating repeating repeating? You are losing bits of your life in endless purposeless pursuit of WHAT?