[2x2 Tournament] Resurrection

2Wowa: I don't understand why I should make a potentially disadvantageous move just because a bug occurred, which I may not have even intended to trigger.

Why is it a disadvantageous move?

A berserk spell was cast on a unit(s), and there was someone nearby.
So, it was clearly planned for only one round, right? Because after the attack, the berserk effect wears off.
But the attack that should have happened didn't occur, and the berserk effect didn't wear off.
Now, the caster has a choice: either extend the duration of the effect by casting it again, or not deprive the opponent of the opportunity to cast berserk on something in some way, which would have happened anyway if it weren't for the bug.

So, we are, albeit clumsily, mitigating this bug!
What is the disadvantage here? Is it the inability to benefit from the bug in the future course of the battle?