Don’t know about the writer of the article, but there are some legit reasons to use multiple K8s clusters. Single-tenant environments, segregation of resources

Don’t know about the writer of the article, but there are some legit reasons to use multiple K8s clusters. Single-tenant environments, segregation of resources into different cloud accounts, redundancy (although there are probably lots of ways to do most of this within a single cluster), 46 different developer / QA / CI clusters, etc.