One reason could be to correct uncalibrated markets. This only works if your intuition is better than the market's current intuition. If a big whale with a big

One reason could be to correct uncalibrated markets. This only works if your intuition is better than the market's current intuition. If a big whale with a big idea makes a big splash, you can profit off of the instability by gently betting against them. This doesn't require you to have any particular knowledge.