I would honestly be less upset if revolutions at least actually happened like that.

But they don't.

People can suffer nearly infinitely (see: North Korea). It is when people are poised to strike that revolution happens. The French Revolution did not happen any of the innumerable times France had experienced hunger and hardship before; it happened when the bougie reps of the Third Estate were put in a position of power by the circumstances presented. The February Russian Revolution did not happen at the height of serfdom or mass starvation; it happened when the forces of repression were weakened by outside distractions. The Iranian Revolution, the Carnation Revolution, the Irish War of Independence... all originating in states which had experienced far greater suffering in the past under those selfsame regimes.

Revolutions happen when people think they can win, not when suffering hits a certain threshold. And very often, people think they can win precisely because of hard-fought reforms putting them in a better position to strike.