The Buddha was only ever in charge of one society... the Sangha.
It sure as hell wasn't 'anarchy'.
If we want to look at the type of society the Buddha might endorse, we might be well served to investigate the society the Buddha established - the Buddhasasana.
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"The uprooting of identity is seen by the noble ones as pleasurable; but this contradicts what the whole world sees." (Snp 3.12)
"To argue with a person who has renounced the use of reason is like administering medicine to the dead" - Thomas Paine