it means literally nothing. there might be apps (i think firefox will be the first to implement this age verification nonsense) which will require that an age set in metadata (same place where you set full name, etc for your user) matches some requirements. 1. It's always some app which will rat y...

These are the arguments for systemd being trash to those who look for it: https://without-systemd.org/wiki/index_php/Arguments_against_systemd/