Years ago I installed it manually, too. For learning, yes. But regularly, no. The archinstall package is easy but a newbie would struggle there, too. It's just a faster way for skilled Linux Users.
Lemmy and Mastodon now for 4 years. It's the only social media I regular use. Ok there is a bluesky and nostr account but I visit them once in a month.
Yes, that's true, sometimes bug research pointed me to the arch Linux forums, and I was like: never ever I post one of my noob questions there. But that's not all. Its just one point of view.
The skill level differences with Linux are huge. And people that wrote great wikis are sometimes frustrated if they get asked things they already explained elsewhere.
Linux is confusing for beginners, never forget this fact and be kind.
Years ago I installed it manually, too. For learning, yes. But regularly, no. The archinstall package is easy but a newbie would struggle there, too. It's just a faster way for skilled Linux Users.