The idea that unjust laws should be disobeyed is often considered an extreme notion, a radical position.
I regard it as the common-sense middle ground.
After all, the idea lies between the two real extremes:
1. That every law, no matter how unjust, must be obeyed; and
2. That no law, no matter how just, must be obeyed — that disobedience should be the rule.
Both these positions strike me as ludicrous. Note that the second is the nihilist position. The first is the conservative.