I think bots are working towards one goal and that is making trading automatic, not profitable. Now you can of course profit with your trading bot and there are now ones that makes sure you do reverse purchases as well and so forth in order to make money even during bear days however no matter how much they improve it, if the market is shitty the profits will be shitty too and you will end up losing money.

However, if the market is already good then you can make a decent profit manually as well. What bots are giving you as a chance that they have zero emotions and you put in indicators and it just works like that 7/24 without stopping so there is a chance you make more profit than you normally would doing it manually. Its a time saver not a money making machine.