Could you elaborate on the possible concerns surrounding crypto trading bots and whether they are indeed a scam? Many enthusiasts claim these bots offer an edge in the market, yet some argue they are merely a facade for fraudulent activities. Do you think these bots actually provide a tangible benefit to traders, or are they merely a tool for manipulation and deception? What are some of the common practices or strategies these bots employ, and how can investors safeguard themselves from potential scams?