The point is that the profits may not be as grand as the current level of hype may indicate Edit: additionally it could be a dead end because the hype tends to

The point is that the profits may not be as grand as the current level of hype may indicate Edit: additionally it could be a dead end because the hype tends to narrow the directions we explore with ML. If everyone is obsessing about DL, we could be infuriatingly ignoring other research directions right under our noses.