That’s a danger in all forms of government if a large enough majority wants that.
In which case the form of government would stop being a democracy.
Some nations try to protect against that with additional measures, like Germany where the parts of the constitution guaranteeing human rights can’t be changed by any majority, and it includes a right to resistance for any citizen should all legal avenues fail. But ultimately, if everyone in a country wants to abolish the protection of minorities, no piece of writing or procedure can prevent that.
That’s what the author intended.
So we agree then that there is always a danger that if left unchecked, democracy may devolve into mob rule.
That’s a danger in all forms of government if a large enough majority wants that.
In which case the form of government would stop being a democracy.
Some nations try to protect against that with additional measures, like Germany where the parts of the constitution guaranteeing human rights can’t be changed by any majority, and it includes a right to resistance for any citizen should all legal avenues fail. But ultimately, if everyone in a country wants to abolish the protection of minorities, no piece of writing or procedure can prevent that.