[Spoilers]
It's a very well-made film but I feel like the premise was misguided. Jesse did only one thing in this movie, which is hunt down the vacuum cleaner man and get out of ABQ with a new identity. Okay? He was going to do that anyway in the series. There's nothing new about that concept. Walt and Saul have done it already. I agree that it's what would be best for Jesse, but it doesn't make for a compelling conclusion to his story (definitely not more compelling than how he was left at the end of BB).
What really surprised me was how Brock wasn't a thing in this movie at all. Yes Jesse wrote him a letter at the end, but that felt more like a "oh yeah, nearly forgot about Brock, let's add this in" than a real inclusion. I feel like Jesse reconciling with Brock in a real way would have been a far more interesting story than him raiding Todd's fridge for money and having a shootout with a bunch of knockoff scumbags we don't know or care about (a shootout which I thoroughly enjoyed, by the way). It's a good film for what it is, but when you consider the context and depth of Breaking Bad as a whole, it feels tepid and flat as a story. Could've been so much more.