Good plot generally speaking, good acting, a modern western with glimpses into some of the daily life and challenges facing Montana ranchers. I found the writing stereotypic to the point of being shallow and stupid in some places, delightfully good in other places with surprising moments of clarity and depth. Character backstories are provided but not in a way that seem natural to the pacing of the episodes. It also seems like the writers thought they just had to include an obligatory level of violence at the obligatory rapid pace. That level and pace of violence is oddly out of sync with the nature of this particular story.
The plot could have been wrapped up in one season and it should have been. The story would have been communicated perfectly well. Instead, in the last episode the main character's arc was awkwardly extended and a new "twist" was added as sort of a cliff hanger. One gets the impression that this was done just in case a second season can be wrung out of the producers.
I honestly don't understand why American television is so unwilling to provide a fully formed story with a start and finish. Yellowstone could have run a second season with a second story, a third season with a third story and so on, rather than insisting on a longer run with a single story line and reliance on the old trope of the cliffhanger. And oftentimes the second season never makes the cut anyway and the viewers are left swinging in the breeze.