There's a Germany saying "Auch nur mit Wasser kochen". Loosely translated, it means "they are also only cooking with water". What it means is that nobody knows shit and nobody is special.
I once heard: adults are children with older bodies. People seem/try to be rational but we are all so influenced or downright controlled by emotions. The desire to be perceived as rational is one such driving force. Many things we do since "this is the right thing to do" are in fact done to reduce (or control) our anxiety. In this sense we are still children.
Its a rejection of gear lust and similar (“I can’t possibly achieve that result without [toy that I want]”)