Had Trump been able to finish his wall many less undocumented immigrants would have been able to enter the US now.
Like it or not, without oil we would still be using horses and sailing ships. I'm grateful I grew up in a world where I am able to travel further than my village, and have a good life. All that is due to oil.
Yes, some bad people are running some of it, but IMO that's because the politicians are too gutless or too corrupt to do anything about that. I certainly can't change the world I live in, but it's better than what it would be like in a world without oil.