I've seen people get liquidated or lose profits with bots though too. And they can look at more time frames but may not be appropriate for certain areas of technical analysis. Most automated bots still require human supervision to eliminate risk. There are many examples where even things like neural networks get things wrong if they analyse the dataset strangely of the dataset was provided wrong/biased in some way.
It's possible to humans to take a more passive approach but a trend doesn't stay a trend for long and too many people running the same algorithm or bot could cause problems (but it could be something to experiment with on currency markets once we're a bit more stable).