Well good for you that your SPAs work every time, and you never broke production with kubernetes. Here's a cookie.
Now for the rest of us who work with engineers across all skill ranges and experience levels, we actually do need to care about such factors.
The question is -- you hire a guy off craigslist to run your site, and every minute of downtime costs $1,000. Are you going to want him to use Kubernetes or a braindead simple hosted solution?