High expected benefits don't necessarily trigger uprisings due to collective action problems.
Tullock's 1971 point: an individual's contribution to a revolution's success is negligible while their personal risk is total, so the expected private return is negative however good the cause.
In practice
- A crowd of ten thousand would topple a government, and each individual gains nothing by being the first across the square.
- A staff body that would all benefit from challenging a policy finds nobody willing to be the first name on the letter.