Yacht(one of the first members of zh) mentioned such a point at zh:Village pump http://zh.wikipedia.org/wiki/Wikipedia:%E8%81%8A%E5%A4%A9#zh-tw_WP http://zh.wikipedia.org/wiki/Wikipedia:%E4%BA%92%E5%8A%A9%E5%AE%A2%E6%A0%88

"Well, my point is 'a completely TC UI' and 'sharing the same database'(i thought it was workable). the most important thing is the 'TC UI' (as Mark mentioned, a lots TC users complain about the SC UI). of course, that's not an 'entire split', i disapprove of that too (as i was upset by the minnan WP before)."