Kevin Costner’s Horizon may be ‘dull and incoherent’ – but bad reviews won’t stop Yellowstone fanboys

At a time when westerns are out of vogue, the ‘Dances with Wolves’ star is daring to mount a four-film franchise in the genre. Its first instalment is getting torn apart by critics, writes Louis Chilton, but ‘Yellowstone’ has proved we should never underestimate the appeal of Costner