Well I mentioned the decreased costs for consumers, greater choice for consumers, great overall world production of goods which increases quality of life on Earth as a whole, increased costs of war, etc.And I don't see any legitimate reason for why you love globalization. We just see things differently. And yes they can pick up their ball and go make their crap somewhere else. But we can nail them when they want to ship back in to sell here.
The problem with saying they can leave, but we'll tack them with high costs is that our consumers then suffer too- we can no longer have access to all of the great things we get from abroad because we don't have the resources to make everything here (as no nation does within their own borders). You essentially thrust us way back in the ages (that is even before your generation as you too have lived most if not all of your life in a time when we conducted significant global trade) when we only have what is made in the US. Doesn't sound bad on paper as it worked for us the last time, but then you remember that that time everyone else was pretty much the same way. In today's world should we be like that, we would quickly fall behind as the rest of the world trades and learns from each other, fostering greater growth everyone outside our little bubble.
Personally I believe apathy is worse than caring, regardless of what your views are. Don't beat yourself up over an opinion or over my opinion; in the end the world keeps turning.But I admit it does not make any difference what I think. Who am I to have an opinion about anything. My time has come and gone. So I really don't know why I care anyway. I need to work on not caring so much about stuff that is none of my business.
edit: I think China and India up until about 1990 are great examples of what happens with that sort of protectionism in today's world. It simply does not work and hurts the people.