They spent over 100M on shit. I wouldn't say Burnley's squad is much worse off.
He has the backing of the fans there, even through potential (though very unlikely) relegation.
People underestimate stability, even managers themselves. If anything he has proved he deserves a better job than...
The 7th placed team's manager wouldn't turn down a massive career step though would he? Team's like the team in 15th should really be beating teams like the one in 7th. They have no right to be there really.