Yes, because the revolution and dictatorship of the proletariat tears down the checks and balances that usually exist to avoid people grabbing power, and instead attracts power hungry people.
A democratic gradual implementation of socialism is a much safer was to achieve many of the same outcomes, like what some European countries are doing.
Okay, in the oversimplified graphic of the meme, I was including absolute monarchy under feudalism, since I thought it was closer to that than capitalism.
Renewables are cheaper per kwh, but it's yet to be seen if they're cheaper when you get to higher grid renewable percentages and need to involve massive grid storage.