It worked in South Africa - the regime held on and the supporters united behind them with the "under siege- we can do it alone" mentality until the power elites realized they were not willing to die on that hill.
Fortunately, the security-autocrat in charge had a stroke and was put in hospital - they got rid of him in an overnight transfer of power to his deputy a far more sensible leader who started negotiations for a settlement earning himself a Nobel peace prize.
Yes the general population did suffer but we had nothing more to took loose except our dignity, freedom and liberty.
The end result was worth it even if the new clowns who replaced them were not any better i.e. the economy