It was entirely a tactical move, made in the confident expectation that he was irreplaceable and when pleaded with to stay his position would be unassailable.

But was that a wise tactical move?

Perhaps, but that would only have been a tactical move.

In a tactical move, the three armies united again and then divided into two.

This was seen as a tactical move, trying to preserve the appearance of willingness to compromise whilst remaining true to their principles.