It doesn't hit everything, and it's expensive
Mire in Misery and Feed the Swarm were the first attempts at doing this, and while some people believe its against the philosophy of the color pie, I see it more as Magic evolving and adapting to the needs of the game after sticking around for more than 30 years
Remember, aggro decks want to win the game as quickly as possible, so its best if your lands can be used for mana right away
Here are some incentives for it: Cards like Corrupt, Cabal Coffers, Mutilate, and Defile want you to play as many swamps as possible, so their efficiency is maximized in mono-black decks
They also include Soulcatchers' Aerie, and more
If we think about creature auras using quadrant theory, enchanting your own creatures is something thats great when youre in a winning board state, reasonable when youre at parity, risky during the developing turns of the game and actively bad when youre behind