...
You mean owning up on the front page is not good enough?
2 publicly visible posts • joined 20 Aug 2018
Back then it was not as trivial as it is today - it was somewhat expensive to do properly with some pricey F5 GTM devices.
Two well setup servers behind a load balancer would give you 99.99% without breaking a sweat so it's understandable why they only had two servers back then.
At this particular hosting company we had staff operating 24x7 who would run over with a crash cart the second anything played up and we had a room full of spares.
So really unless you are doing something requiring a lot of reliability, why bother with geo-redundancy, it's more ballache than it's worth in many cases.