I haven't used any trading bots yet but I hear it quite often. Some people say custom bots that you can customize and create by yourself are way safer and better than the ones that are created by someone else and being sold in the market. Another thing that makes a lot of sense to me is that how people misperceive bots. Some traders were doing emphasis on how bots useless without any trading knowledge and proper money&risk management and how significant bots are about leveling up your trading as a tool once you understand the main idea of it along with your trading knowledge.