Treants vs Ancients

I've never played WoW past the Lyadrin Driop, so I don't have any knowledge about the lore. But it seems to me that Treants essentially are meant to be living trees. As are Ancients.

So my question is: Is there any reason lorewise that cards like Ancient of Lore, Ancient of War, Forbidden Ancient, Ironwood Golem, the spawn from Hidden Oasis, Lucentbark, Splintergraft and Goru the Mightree are not considered as treants? (maybe even Volcanic Lumberer)

It just seems odd that these aren't effected by treant buffs. Especially as this might be the tipping point for Lucentbark Druid or Treant Druid to be viable... :/

[Salty Part] WHY THE HELL IS TREESPEAKER A TRANSFORM EFFECT???????? [/Salty Part]

It's simple. Treants (in Hearthstone at least) are 2/2s (that may or may not carry an additional keyword) much like Silver Hand Recruits.

Ancients, while similar, are not the same, and in terms of gameplay mechanics don't count as Treant tokens.

From wowwiki 

Ancients, they are sentient as the treants but are older, more intelligent and considered by night-elves to be godlike or demigods, making them a pillar of their society/religion.

Treants, on the other hand are primitive forms of the Ancients, smaller, weaker, and not as intelligent.

Apart from that, there isn't much lore in respect of the Ancients/Treants, but most likely they are like Ents and Huorns from Tolkien's mythology.

Perfectly fine with that answer on a Hearthstone basis, but lorewise (and personally speaking) I'd hoped for a 'better' answer.

Quote From Fedrion

From wowwiki 

Ancients, they are sentient as the treants but are older, more intelligent and considered by night-elves to be godlike or demigods, making them a pillar of their society/religion.

Treants, on the other hand are primitive forms of the Ancients, smaller, weaker, and not as intelligent.

 

Apart from that, there isn't much lore in respect of the Ancients/Treants, but most likely they are like Ents and Huorns from Tolkien's mythology.

Perfect and liketwise the most disappointing answer... :/ (Was hoping for a possibility to 'fix' my problem)

Thanks for the Lore! :)

the Virgin Treant vs the Chad Ancient