I agree with most of your comments
Some random, incoherent thoughts late at night here:
I loved La La Land too. As a gay person, it's in my job description to love musicals. I agree the opening number was fantastic and I was amazed at how much of the highway they managed to close down to film it. My favourite part was 'the audition' wherein Mia is asked to audition by telling a story. What a showstopper. The dance sequences with Gosling and Stone were also wonderful and reminiscent of Astaire and Rogers (although they weren't quite as good). My only complaint with musicals turned into films these days is that the films always hire good actors who are mediocre singers at best. As good as Stone, Gosling and the rest of the cast were, they were just average to mediocre as singers. It was the same with any of the recent musical films like Mamma Mia with Meryl Streep and Pierce Bosnan, and Les Miserables with Hugh Jackman and Ann Hathaway. The music soared in the Broadway version of Les Miz, but hearing Jackman butcher the centrepiece of the play, "Bring Him Home," made me want to walk out. Pierce Bosnan singing with just painful to the ears. We no longer seem to have the 'triple threats' of yesterday (singers, dancers, actors) like a Barbra Streisand or a Judy Garland. Aside from that, I was also hoping and expecting it to win best picture (it did win for close to three minutes). It's very rare that a movie can make you smile and feel good. It's a lot harder to make a movie that makes you feel happy than one that depresses, especially in this day and age.
Like you, I was happy to see Moonlight win best picture. It was a difficult look at growing up gay, poverty, addictions and its impact on youth. I love how the central, character found love in a home where you wouldn't expect it. The win of this movie almost vindicates the Academy for overlooking Brokeback Mountain as best picture thirteen years ago because it was too controversial to give the award to a movie about gay cowboys. We've come a long way,, baby!
Personally I loved Manchester by the Sea and I was really happy to see Affleck win for it. There was some really powerful drama in it, but for all the talk about the depressing subject matter, I found it had enough humour to provide some levity throughout, like the nephew criticizing Lee like he was clueless, Lee trying to make small talk with the mother of his nephew's girlfriend, it wasn't completely a downer. I also thought the two were bonding and connecting towards the end of the film and left me with hope that their plans might change.
I really liked Hacksaw Ridge as well, in spite of the director. I always liked Andrew Garfield and it was good to see him get a role that shows what a fine actor he is. The war scenes are brutal , but Hacksaw Ridge itself was such a violent event, it would have been unrealistic to downplay the violence. I first saw Garfield in a movie adaptation of a great book titled "Boy A" He wasn't known then. He played a young man just out of prison for having committed a terrible crime and tries to readjust to being in society after years in prison. The movie based on the book of the same name shows how society can be cruelly unforgiving to ex- and contributes to the recidivism rate or more mental health problems. I recommend the movie, and the book was even better.
Also agree with you that Amy Adams was robbed by not receiving a nomination for Arrival. I blame Meryl Streep who bumped her out to get a seventeenth nomination for Florence Foster Jenkins, a mediocre film and not one of Streep's best performances. Trump was right, she's overrated! ((just kidding, folks, I can't believe I said that).