This is typical of expats all over the place. Some hate where they are and will leave for some other place as soon as they can work it out, some love where they are and seek to find a way to make a more substantial life there, and some are just passing through -- vagabonds.
In my opinion, expats (here and everywhere) carry with them and are not able to discard their inherent personalities, their ingrained way of seeing things, as if sewn to their skin, or baggage they cannot put down. So reading threads like this, all the threads that purport to describe how terrible a place is or how wonderful a place is, are doing little more than telling the reader a lot about the person writing the comment. The personality of each commenter here sticks out as the most powerful element of each comment. Once you understand and accept that, you can place yourself within the personality category that best suits you, and that is how you are going to find this city, or any city, to be.
So if the haters, the paranoid, the frustrated, the angry, ring a bell with you, I will bet any amount you wish that you are going to find Buenos Aires to be just like they have reported. Conversely, if you find an empathetic feeling when reading positive comments made by people who truly enjoy living in this city, then I'll make the same bet that you are going to enjoy it too. It doesn't matter what city it is.
I have enjoyed living in every city I've lived in, and there are more than a few, and of course there are annoying aspects of life in each, and of course I would like to see some things done differently, and of course I would if king change all sorts of things and force everyone to live the way I prefer. In the main, I try to accept the realities of life in any city, seek out and enjoy what is best about it, and save my whining and moaning for ... well, I actually don't like to engage in whining and moaning. If I was that upset by some place, I would be out of town on the next stagecoach.
Buenos Aires is a fine city to live in for me. If it weren't, I would, as locals always accuse us of being able to do, simply move on. That's why we are expats and vagabonds.
But I do wish all car and bus horns could be disconnected, and that Portenos were a little more embarrassed to have the sidewalks of their beautiful city stinking and littered with the residue of their beloved pets.
Oh, and they could sparkle up their cuisine just a little.