I don't know the figures but I'm guessing the majority of today's democracies agree that majority rules.
The decision of a population can never be considered a form of tyranny.
Who ever wrote that was either an idiot or very comfortable with the current situation. There is no work around or loophole for the decision of the majority. Except in America
Your founding fathers were the power players of the day. The conditions they laid down for personal rights also included components that protected their own status. Electing a head of state against the will of the majority sounds like such a component. Your fore fathers also established who were qualified voters
Women (half the population) among many others were not considered. Calling it a republic is irrelevant and meaningless
There is no protection for disinformation or defamation provided by free speech.
The anonymity that exists today on public platforms provides a loophole for those
abusing the concept of free speech