It was clear once the money men came in they would want to bring their own 'big name' in sooner or later. I suppose they felt they had to be seen to be at least to be giving him a chance, in order to avoid any backlash from the fans.
To be fair he's got arguably the best squad in league 2 and they're falling behind the leaders. His task at the start of the season was to win the league and the Notts County board obviously feel he can't do that.
not supprised at all was only a matter of time the owners want a big name in charge so after the second half against Torquay was not good enough they could have won it in the end