> It was never fun to grind through killing 100 Goblins, but you did it so that you could get the magic sword at the end.
I think you're taking exactly the wrong lesson from that. It wasn't fun to grind through the goblins, but it wasn't challenging either. You did it because you could turn your brain off. I opine that if it did require thinking then the world would now be overrun with goblins...