Most tech workers are in a position for building and not leading, so their most powerful option is to sabotage. This is similar to asking why a McDonald's work

Most tech workers are in a position for building and not leading, so their most powerful option is to sabotage. This is similar to asking why a McDonald's worker doesn't think more about American health. A single fast food employee may contribute more to the end product than most engineers. A tech strike is also far less effective. Only people in the region can effectively make your burger. People in Australia can coordinate with people in China to build your software.