Because the easy way to rule over people is to convince them it's a good thing, not to force them. If you find enough people to agree with you and to vote, they

Because the easy way to rule over people is to convince them it's a good thing, not to force them. If you find enough people to agree with you and to vote, they will vote ever worse (the worst: https://en.wikipedia.org/wiki/Adolf_Hitler%27s_rise_to_power https://en.wikipedia.org/wiki/Adolf_Hitler%27s_rise_to_power)