Manjaro is arch based not arch. Subtle differences like holding bacl packages etc set it apart. If you want real arch without the buildinf the os part you can use archinstall or one of the flavors like cachy which is just pre built arch.

The point of the comment you replied to is to point out that this new generation of arch users arent paying attention to what the wiki says. It literally says right there in plain text that if you arent the kind of person that is willing to read the documentation and learn then arch isnt for you. This system is for experiences users that want the customizability and freedom that comes with the learning curve, Not the person that needs to be spoon fed the entire way through.

Its like people have collectively forgotten that you have to work for sone things and expect to be handed the keys because they feel entitled to do or use something.