How long does a dictatorship last?

https://nostpic.com/media/ff1a68c42082105d852c425bcb783c99e3c8fccafa6a93a22f3829e0ec9831cf/97cc38dbf1d6d159c665929c11643bb3eac1a0956c0164640796563768266b49.webp

PS: there is a reason why “democratic” socialism intends to get there little by little, so that it is not noticed.