Copy trading automatically mirrors another trader's positions into your account. Running your own system executes a defined rule set that you configured and understand. Both are "automated," but they're opposites in what you actually control.
The trust problem
Copy trading means your capital rides on a stranger's decisions — their risk appetite, their discipline, their bad month. You can't see why they trade, so you can't judge whether their edge is real or a lucky streak about to end (survivorship bias). When they blow up, you blow up with them, and you never saw it coming.
Understanding what you run
A system you configure is transparent by contrast: you set the instrument, the risk boundaries, and the parameters, so you understand the logic acting on your money (a trading plan). You're not obeying a stranger; you're running rules you can inspect, adjust, and switch off (transparent rules).
Copy trading outsources judgment to someone you can't see. Running your own system keeps judgment where it belongs — with you, encoded into rules a machine executes faithfully.
Which fits you
Copy trading can be fine as passive exposure to a manager you genuinely trust and can monitor. But if you want control — your risk, your rules, your account, no dependence on one person's hot hand — you want a system you own. That's NoVo's model: you set the boundaries, it executes them non-discretionarily in your broker account (your money, your keys, what NoVo is).