Most important, this is a terrifically fun movie with a cast that should by all rights have the Best Ensemble Filmspot locked up. But I was surprised the way it wove a few barbs of social commentary in. In the Q&A after the film, Rian Johnson talked about how Agatha Christie's works, while perceived in hindsight as somehow existing in some timeless "past," were actually very much constructed of characters representing her present, and so Johnson felt it important to make a whodunit that properly incorporates a 2019 setting. Most notable in this sense is the way these (adult) children like to stress they are self-made successes, in spite the clear support of their crime novelist father who made the fortune they too frequently rely on. I can think of a certain President who has touted his business acumen while ignoring the degree to which his success was given to him. Can't recommend this film enough.
Admittedly I've not written about a lot of the films I've been watching, but I feel I should make a note about this rewatch. On first viewing I had Shame (this is the Steve McQueen one) flirting with my top-100. On rewatch I find it as empty as the chasm Brandon is trying to fill with sex. It may be my least favorite of his films now. And while I think he has a high average level of quality, I don't know that any quite make the case for top-100 inclusion...though I imagine 12 Years A Slave would be the most likely.