The charge was selling out the country.The treaty was passed by a vote in the Dáil
There were no rules in the standing orders about a super majority so the margin being close was not relevant. athe treaty was passed by a majority of elected representatives in the Dáil everything else is revisionism
Using English artillery on fellow Irishmen, some of which was fired by Englishmen at the end of a long War against the English qualifys imo.
Majority of support for the treaty was in areas mostly untouched by the war of independence.
They also supplied most of the men for the free state army.

