Hated him as a Villa manager -and I use the word hate deliberately. But he -like Evans- played a big part in our good form under Sir Brian. JG was the foil to the more measured, slightly necrotic BL. JG was one of the lads, a players coach - and it's no accident that he got a decent response when he came back initially.
When he had money to spend he was largely a nightmare though. That bright opening in 1998 aside, he presided over some of the most tepid, dull safety first football it has ever been my misfortune to endure, the nadir of which being not even mustering a shot on target v Chelsea in the 2000 Cup Final. I still haven't watched highlights of that game and I have no intention of doing so. He had put many supporters off long before that, I lost count of the amount of long term season ticket holders around me who had given up the ghost during his tenure. He also set the template for previously unheard of managers enjoying their 15 minutes of fame with his rent a quote approach -since equalled (and possibly bettered) by Phil Orange and Holloway. If only his football had been as spicy as some of his press conferences.
But JG as an assistant did a decent job for us. That should never be overlooked. I don't think his ego would allow him to play second fiddle to anyone now though.
I agree with your general sentiments but I don't think people are suggesting him as a long term manager, just as an 8 game kick up the arse. As you state one of his main attributes was the dogged, defensive, bust a gut tactics. Those are the sort of tactics we need now in order to dig us out of the shit we are in. Scrape a couple of 1-0 wins and a couple of draws and we will probably be safe.