"Also be warned — I have no idea what I’m talking about. Take everything in this article with a grain of salt." - pretty much. I'm not sure whether the author thinks "platforms" even are. And the complaints that "linux cgroups aren't the entire platform so why call it containers" seem pedantic.

I don't see why "handling MySQL failover", "resource management", "upgrading OpenSSL" should all be handled by the same piece of software in any case.