That's not even limited to bears, the power scaling for MtG cards in general is logarithmic. The most famous example being the fact that Emrakul, the plane-eating eldrich god and most powerful card ever printed, can be defeated by 15 1/1 squirrels.

Ah, the og bear was before my time.

Really good is bit of an understatement i would say.

Fine I'll take four in my Bear tribal deck

I don't mean to tell u how to live your life, but standard representation for green mana is "G"