It seems anything argumentative of Unity is being closed. Great work on community support!!! You all know Unity is trash. It was a bad Idea. Now you should let the community fix the problem and the best way to do this is let us complain. Here are a few things. Give me my task bar and main menu back. What else is wrong with Unity?
The site is for questions that can be answered. Not gripes (or praise) about the new releases.
If you have an issue that can be asked in a question format (that isn't super-subjective, rhetorical, etc -- eg a question that can have "one best answer"), we welcome it. Otherwise it's our job to make sure people who need help get it. Closing random discussions is part of that.
Coincidentally, if you don't like Unity, you can select Classic Ubuntu from the login screen which will give you a similar experience to Ubuntu 10.10.
Edit I should go on to clarify that any topic (not just Unity) is a candidate for closure if it can't be sensibly answered. This is by no means a conspiracy to protect Unity or to shield its developers from criticism.
Moderators close posts that are not questions, but rather inflammatory remarks or statements that demand subjective replies. Asking "Why does X suck" isn't a question that is appropriate for this site, and does not promote community support. Asking "I don't like X, what can I do to make X more usable/enjoyable/better" or "I don't like X, what are my alternatives?" are better ways to get a response.
Unity plays nicely with my dog, which is dead. Same way how your question plays nicely with my answer, which is not an answer.
Get the point I'm making? "Questions" (rants) like this lead no where constructive, so we (the community) close them to avoid such problems as arguments, trolling, and flame wars. (No; moderators are not fire fighters).