that's alright, but don't whine when your car breaks down in the middle of a desert or you find out you're below poverty when retired.
Where do you draw the line? Do you make your own yoghurt? What about milk your own cows? I very much doubt you do that. My time is valuable enough that I'm comfortable paying people to do these things for me.
If person A offers a service to person B, there needs to be some level of trust and expectation. In this instance, the government is responsible for destroying people's assets and I hope they get sued to oblivion for screwing up. Other times, companies are at fault.
Gotta love the Libertarian mindset that appears to prevail here. Sheesh.
I think it's still worthwhile to have a superficial understanding of the services you buy, as this allows you to maximize the value of your dollar and avoid getting fleeced.