The historic method of revolution - violence - isn't a desirable option.
The police and the army have high tech weaponry to disable any protestors.
A policy of non cooperation is a way.
Abstaining from voting might cause a 'vote of no confidence' in parliament, and a general election.
If the same corrupt and blackmailed politicians are put forward as candidates, you have the choice to abstain yet again.
The existing mechanisms of government will continue to operate - tax collection and benefit distribution are done by the civil service, but no new legislation would be passed.
Belgium didn't have a government for a long time and their population survived
