Indeed. No guarantee that copy trading will be suitable for newbies, even it may be not suitable for experienced traders as well. For me, the best way to trade is by using our own way, using the trading strategy that is proven to be effective with our trading nature. IMHO, copy trading isn't only about the risks but it is about how well it suits our trading style.
Most of the newbies doesn't care about strategy because their main intention is to gain money. Maybe realization that they need to learn will came late when all things fall apart and the person where they copy their trades gone. Newbies should realize that there's no easy life on trading and they need to spend lots of time researching since if they base their trades to other people well they cannot learn something and remain a newbie in the industry.