I was a fan as well. It was a shame not to see Jon on the throne, but I wasn't disappointed. It would've been too neat of an ending, too unrealistic given that he was forced to commit regicide and there were people still very loyal to Dany. Loved Ayra threatening Yara when she spoke out against him, though. Dany's arc could've been handled a little better, no question there, but I think there was plenty of foreshadowing. As much as she talked about breaking the wheel, with her being someone who felt she should have that power by birthright, she was still part of the problem. Her vision may come to be in the future, but ironically, it needed her gone to stand a chance. It wasn't a happy ending for them, but I think it was a good one, a fitting one.
Bran becoming king is something that has upset a lot of people. I like the reason behind it, and the fact that it seems a little obvious in hindsight, yet I also didn't expect it at all. It also raises some interesting questions about whether he was playing the game (especially since he had the power to see things others couldn't), whether he didn't want to be Lord of Winterfell because he could see that he'd be needed as king, and whether things will be better now. It was good to see a proper small council again, and it brought some levity to the ending. Tyrion's fate was appropriate as well. He survived, he has a position of power, but also regrets, responsibility, and headaches.
Sansa becoming Queen in the North is an obvious conclusion to her arc. Suffice to say, while Littlefinger didn't survive, his teachings live on through her. She didn't get the Seven (now Six) Kingdoms and the Iron Throne, but she got independence for the North and thwarted Dany by undermining her. Ayra continuing to wander is a fitting end as well. There's nothing left for her in Westeros except memories of heartache and vengeance, and now that's behind her, much as it can be.
Jon's ending is bittersweet. I actually don't think it's a big deal that his parentage ultimately didn't matter as far as making him king. Part of the point is that the hereditary monarchies have brought so much ruin and fighting to Westeros for centuries now, and the fact that he had to kill a monarch that many had pledged allegiance to subsequently put him in a precarious political position. The reveal of his true identity accomplished what it was meant to do: keep him from a happy ending with Dany and contributing to her downfall. It still mattered to the plot; it just didn't achieve anything grand for him, or on a meta level, get the ending some people wanted where he was on the throne. Still, he's essentially been exiled into freedom with the people whose trust and admiration he's earned. His story ends as it began, feeling like an outcast, but there's still a sense of peace, accomplishment, and happiness there. He'll be far away from titles that he never wanted.
I understand why there are a lot of fans who don't like it, and there has been some rocky moments and questionable writing. Some things could've been tied up neater, but then, sometimes that feels hackneyed and forced as well, compared to a more open-ended approach. Ultimately, I enjoyed the journey I was taken on. It'll be interesting to watch it all again from the beginning at some point.