With the correct spells Bears and Bats are almost spammable. VQ is a passive and Bears don't have a cooldown, so this 'can only dps effectively every 2 minutes' statement of yours is vastly wrong. The fact of the matter is that it works for plenty of people.
For me, Bears and Bats are spammable, unless under Frenzy Shrine or BBV effect. Although at the moment, I do have a little to much MPS, 200, with VQ up. Regardless, I've used Bears/Bats in Act 2/3/4 and the pony level with great success. http://us.battle.net/d3/en/calculator/witch-doctor#ckUTQP!UVe!aaaZbb
Sometimes I swap Garg for MC with cd reduction rune or for Hex with increased dmg rune.
Also, the guy who is claiming that the OP is solely using the Mana Regen passive (Vision Quest) obviously doesn't play WD, for he would have seen that, just like in the Butcher kill, the WD is using Big Bad Voodoo with the Mana regen rune as well, which gives him infinite mana for 20 secs max... If he stands in the zone... On a 2 min cd.
You can't infinitely spam Bears without it
That's not true actually. On my WD, I can spam Bears infinitely w/o the mana rune on BBV. Granted, while I'm in BBV, I dip slightly into mana negative, but w/o the IAS from BBV, I can spam Bears forever and never run out of mana. I believe my mana regen is at 188 with vision quest up. It would be almost 200 if I had Spiritual Attunement, but I stopped using that a while ago.
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For me, Bears and Bats are spammable, unless under Frenzy Shrine or BBV effect. Although at the moment, I do have a little to much MPS, 200, with VQ up. Regardless, I've used Bears/Bats in Act 2/3/4 and the pony level with great success. http://us.battle.net/d3/en/calculator/witch-doctor#ckUTQP!UVe!aaaZbb
Sometimes I swap Garg for MC with cd reduction rune or for Hex with increased dmg rune.
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That's not true actually. On my WD, I can spam Bears infinitely w/o the mana rune on BBV. Granted, while I'm in BBV, I dip slightly into mana negative, but w/o the IAS from BBV, I can spam Bears forever and never run out of mana. I believe my mana regen is at 188 with vision quest up. It would be almost 200 if I had Spiritual Attunement, but I stopped using that a while ago.