Sherlock: The Final Problem

What the hell was that??? I mean we haven't seen an actual end,Eurus is very interesting and the episode was mostly good at the start but the end was horrible, the plot twist with Redbeard was good but the whole fact that Eurus is the little girl in the plane is a good idea but I feel like it wasn't digged enough. the episode presents us to lot of development and understanding on characters, especially for Mycroft but I'm also thinking of Molly, we finally see the ice Man starting to show his human Side and at the end we see how the Holmes parents just put all the pressure on him and the only thing we get then is his mom putting her hand on his??? Like no I didn't pass four seasons waiting for him to have more depth just to end up with two scene with his mom, I need a whole episode of how the Holmes parents put pressure on Mycroft AND Sherlock, being bad parents cause that's what they are. And Molly, with the "I love you" game it really made me think that we'd see an actual development for her and then we just see her a couple of second at the end, Sherlock should have had a romantic arc with her cause (I know people will get mad) they forced so much on Sherlock and Irene Adler,no they're not made for each other and no h doesn't love her she's just the first woman to match his brain, molly on the other side know him, Understand him, she really cares and is always there, Irene Adler could have but they didn't know each other enough to be lover's The Final problem should have been two episodes, cause there is too much thing in one episode and ALL are important. Especially for Eurus, making her behave at the end just because Sherlock play violin is such a Sloppy ending for her, she's a murderer,rapist,manipulative psychopath, she's crazy and they made her seem like a victim "oh Sherlock didn't play with me" ofc he doesn't want to she was already drawing him dying, Eurus is a bad person and can't change,she was born like that, So no playing violin after all she did won't calm her, personally the idea of her is good, such a good vilain that I hate her but what they did is bad. Sherlock ending is sloppy and that why I wish there will be a come back with a season 5 as good as season 1 (it'll never happen)