I agree with your statement - my point is that there seems to be this prevailing idea that you can't learn unless you try to build something by yourself which i

I agree with your statement - my point is that there seems to be this prevailing idea that you can't learn unless you try to build something by yourself which ignores reality. Sure, if you try to start a business/project/idea you're going to learn a lot along the way, but if you don't strike out on your own you're still going to have experiences and learn.