Sheep duration was higher in Vanilla. The cc time limitation on players was introduced in tbc.
And trinket were 5min cd and class specific.
Shaman couldn't trinket sheep. 50s sheep was fun in S1
Not quite. CC was, despite the timer, limited to 15 seconds through heart beat resists in PvP. So on average, a max-duration poly lasted like 7 seconds ( 1 - 15) + DR still applied. In patch 2.0, Blizzard made all CC affect players at 12 seconds flat (Blind was 10).