Are trading bots actually profitable?

I'm curious to know, are Trading Bots truly profitable in the world of cryptocurrency and finance? Many people claim that they can generate significant returns by automating trades, but I'm skeptical. Do these bots have a proven track record of success, or are they more of a risky investment? How do they work, and what factors contribute to their profitability? Are there any drawbacks or limitations to using trading bots that investors should be aware of?