Edit from a day later: I misinterpreted how you edited the question later on, so I'll have to apologise for some of the answer below being inaccurate. If you want to repost the thread with a more direct title, I'm happy for you to do that. The answer below stands for the original question as it were. (Open disclosure, I'm not the person who dealt with the thread originally.)
Sorry if you are not finding this site useful: but there are explanations for everything you have mentioned in this post. Assuming you're posting in reference to this question, I really want to stress this part of the rules page:
PokeBase is not a traditional forum - questions should be answerable, not discussed endlessly.
This is also detailed later under 'no polls or opinion questions'. In short, threads here should not lend themselves to open discussion -- they should be grounded in objectivity for the most part, and should have a clear and agreeable end solution. This is the underlying purpose of a Q&A site.
The reason your question was removed was that it crosses the line of what can be allowed under the framework above. While you can present the differences between US and UM in an answer, ultimately the response is going to be making a value judgement of which version exclusives you like better. There's not going to be an agreed end solution to a thread like this, so the bottom line is that it doesn't fit on a Q&A site.
The response you got on your question was an effort to get more detail from you, so the question could be answered objectively. Again, I apologise if you think this is nitpicking, but if you want to post threads like this, PokeBase is probably not the place. If that makes our service bad, so be it: it was never part of its intent.
