They can't afford to use violence against the principled peaceful voluntary protest (opt out). If they do, they instantly lose all remaining credibility and support.
On the other hand, it would be easy for them to squash violent actions with even more violence.
Prime movers going on strike is the opt out. Bitcoin is the natural Galt's Gulch.
The more monetary energy you port there, the less power the CBDC has.
Practically: - Start selling your work for BTC only; demand inconvenience surcharge for fiat payments.