"Best managers ever" don't find themselves in sixteenth and being so tactically inflexible that they can't work with what they've got. He's a one trick pony, and while it was a hugely successful trick, he's now been found out and has no answer other than kicking up a stink and let others take the blame.
To add, he's had five transfer windows and look at the state of the squad at present. The Ryan Bertrand situation alone sums up why that man shouldn't be trusted with a chequebook or any further attempts of squad building.
Eight points out of thirty in the league. That's relegation form. We can't trust him with our future, so get rid.