If all the seemingly pointless discussions about which distro is better comes from attachment to a spesific distro and if a distro is just a way to interract with linux than all the discussion about witch distro is better etc. fundementally comes from a a place of love and appreciation for Linux as an OS.
A distro isn't just a way to interact with the Linux operating system. It's a collection of tools that helps you do it. Some tools are just sharper that others. The community just likes debating about this important nuance. It's not that complicated.
My tools of choice come from the famous blue logo distro.
I think it's fairly obvious that they mean Arch because they are sharing which distro they use without being prompted, which is inline with a common running joke about doing the same thing, btw.