This is a brilliant analogy of how we are careless about saving cents and causing millions of costs:

In this article Eric Crampton tells the tale of the faulty O-ring which caused the explosion of one of the Space rockets and the death of all the astronauts inside.

It was a simple, in fact cheap, fitting which failed and destroyed everything everybody had been working on.

In this article the author points out that the Ministry of Health misled our politicians, and us all, by failing to pay attention to basic Covid health settings on our borders. This led to Auckland being in a virtual lockdown situation costing millions of dollars.

I’ve gone off the Ministry of Health. How long will the politicians keep accepting their advice?

Here’s that very good article: https://www.newsroom.co.nz/pro/of-o-rings-and-quarantines?