If the quality of the Dhamma was determined by popular vote, then this may have some practical use.
However, since realistically it's not, this functionality is only likely to create tension and turn the art of posting into a popularity contest.
That said, I don't know how we could do it even if we wanted to... I'm not sure the platform supports it.
"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