Did anyone actually suspect Moody of anything when reading Goblet of Fire for the first time?

Barty Jr is trying to act just like Moody to fool Dumbledore, but for the reader there are SOME signs to pick up on - he keeps offering Harry help especially with the first task, he says he had to disable his sneakoscope because of "suspicious activity," he's out at night when Snape's office gets raided, he takes the Marauder's Map from Harry - but I wonder how many people picked up on something being off. Karkaroff and Bagman were decent red herrings, and Moody was so likeable and cool