It’s not that they have occasional dictatorial leanings. It’s that they soon find out that ever increasing controls are needed to distribute equality. That the more they “help” one disadvantaged group others are put at a relative disadvantage and this creates resentment that requires government coercion to enforce the policies. Socialism spirals into totalitarianism. Every time. The Road to serfdom is a short book. Worth the time to read. It was written right after the great depression and while ww2 was going on.