@Chandoo, all
Hi!
I think that it'd be better if you close Tag fields to be chosen only from a clean source of what there is today or at least restrict it to topic creation time and moderators capabilities. Why only at topic creation? because the topic disappears and no tags remain active.
Why? Well, there's a huge volume of spam, most of which is stopped by the ad-hoc engine (even with its false positives and its undetected posts), so I wondered why so much stupids spent time posting even if they know their posts are removed. I think I found why: comments are not removed by anti-spam. And I should be one (if not the only) who cleans Tag fields from first page, it takes only 5 minutes.
I googled "moncler pas cher chandoo" just as an example, and you wouldn't bet how many entries I found. Give a try with the following link, and this is only for one single string. This is why the stupids (are you reading idiots?) go on posting even if their posts are removed: they still get better positioning at search engines.
What do you think about it?
Regards!
PS: Link:
https://www.google.com.ar/webhp?sourceid=chrome-instant&ion=1&ie=UTF-8#hl=es&sclient=psy-ab&q=moncler+pas+cher+chandoo&oq=moncler+pas+cher+chandoo&gs_l=hp.3...4891866.4901452.0.4901847.23.19.1.2.3.3.666.6188.2-11j2j4j2.19.0...0.0...1c.1.qZhbo0xhHuw&pbx=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&fp=e3c0cee08410cce2&bpcl=38093640&ion=1&biw=945&bih=1047