And food riots.
That's one of its great weaknesses, but another is the pervasive nepotism that puts incompetent boobs in positions of authority at every level of socialist governments.
This leads inevitably to a multi-track society, with a small number of people with real skill who take care of and pamper the elites, and a large number of total screw-ups who make the majority of the population wish they were dead.
Sooner or later the screw-ups do something really bad, and then you get a Chernobyl.
And food riots.