The crucifixion is foreshadowed in the Old Testament and the only way to salvation. Christ being killed by Herod would contradict God's plan.
The early Christians did not flee physical persecution, but were fed to the lions in the Colosseum.
You’re halfway there.
The correct answer is that there is no dogmatic “right” answer that will always be correct.
Sacrifice is not to be avoided. But neither should sacrifice be made foolishly lest you destroy that which is precious for no good cause. As comforting as it is to have a dogma which means you don’t need to question your choices, dogma is a poor way to decide tactics.
Those who choose to flee and cultivate the flame of faith so that it can be passed on are important too and it is not necessarily cowards for them to do so
We need both. Who does which is something to be figured out.