As for Lupin's attitude toward Isaac's spell...
Remus Lupin had only one thought now: if they ever ran into a situation like this again, he hoped Isaac would bring out the complete version of the spell.
So what if he turned into a werewolf in front of everyone?
Was that even a problem?
With so many Aurors and Hit Wizards present, subduing him after he lost his mind would be child's play. A few spells would do it.
As for whether transforming into a werewolf gave him any real fighting power...
Come on. How was a werewolf supposed to use magic without a rational mind?
To a prepared wizard, a werewolf without magic was nothing more than a sitting duck.
The Aurors and Hit Wizards would hold back when subduing Lupin. He was their teammate, after all.
Against Voldemort, though, they had plenty of strength and tricks to spare. With a Voldemort who wouldn't fight back and had even lost his reason, who wouldn't want to whip out their wand and really let him have it?
Dumbledore understood now, but Cornelius Fudge couldn't make sense of it at all.
What did they mean, Voldemort was now a fully fledged werewolf?
And what did they mean, someone had screwed Voldemort over?
Was there really anyone in the British Wizarding World who dared to pull one over on Voldemort?
Cornelius Fudge wasn't trying to praise the enemy and belittle his own side.
If the Ministry of Magic had fought Voldemort head-on and killed him, Cornelius Fudge wouldn't have been the slightest bit worried now.
The problem was, how badly had the Ministry of Magic been crushed back when Voldemort was still alive?
Surely they knew perfectly well how Voldemort had died?
The people most frightened by Voldemort's resurrection were actually the Ministry's