Fair; that was mostly a general warning, not necessarily directed at you, because many people do copypaste terminal commands without knowing what they are actually doing.
As long as you understand what a command does, absolutely go for it. No point typing that shit out when somebody else already has
I was going to pipe in that I paid for Minecraft in infdev, so pre-alpha. But now that you mention it, it was dirt cheap, and they had already had several free access weekends in indev, so I had a pretty good idea of what I was getting myself into