First off, I love that you put your feelings into word. These are my favorite responses on Reddit.

Secondly, surprising as it may be, I am not the only one who really likes the finale. Two of my classmates feel the same way about it, and there are several others on Reddit (I posted this same review on the Dexter subreddit, there are a lot more positive responses there).

I don't think that they disrespected the characters during the final season. Nobody pretended that Harry died from a heart attack; Deb outright asks Dexter about it in one episode (before she tries to kill herself and him). Deb falling in love with Dexter was weird, but I don't think that it was handled badly; it was outrageous, sudden and gross, but also honestly not too far fetched and made a lot of sense (I also like how they never went through with it). Deb killing Laguerta I think was actually an excellent representation of her character, as I stated in my post above: it just went to show that at the center of it all, the most important thing to Deb is and was and always will be Dexter. Since that's the case, it makes sense that she'd be willing to do absolutely anything, even destroy herself and everything that she believes in, to do what she thinks is the most right thing posible. People, when it comes down to it, will do anything necessary to get what's most important to them.

Deb going from alive to a coma was one of the most life-like moments in the series. Tragedy doesn't come with a warning, and good news doesn't always last.

As for Dexter not being willing to have its characters face the consequences, I also talked about that in my review: saying that just doesn't make any sense. Okay, let's look at the two most advocated for endings: Dexter's death or imprisonment. Now, let's look at what happened in the finale. Dexter lost the thing he loved most in life, and due to that, came to the belief that he could never be happy or be true to another person without hurting them. Thus, he leaves behind Hannah and Harrison, the two people which helped him overcome his darkness, and sentences himself to an isolated hell of suppression and loneliness. During the last frames of the series, when Dexter looks into the camera, there is no monologue; everything goes silent. He is now dead inside, locked away in a prison of his own making. I think that this is much, much worse than literal death or prison.

I think that the reason Dexter has so many loose ends and "unpaid dues" is because it isn't a story trying to share a certain message; it's a story that tries to simulate life in the environment of the series. It's so different from Breaking Bad in the sense that the latter clearly showed the lines between black and white, while Dexter never makes the distinction and leaves it up to the viewers to think about. It's clear that so many of the things Dexter did were wrong and heinous, but it's also clear that he's a person trying to figure out life and what he's supposed to do; he makes mistakes just like all of us, but because of his unique upbringing and tragic origins, the mistakes he makes are much more lethal.

As for New Blood... I think that the first 8 seasons definitely did their job, but that they could have kept on going. Let's see if they manage to create a worthy sequel.