Two relegations and countless other relegation battles suggests otherwise. Steve Bruce has actually done a decent job this season but the fact that he ever got the job in the first place tells its own story.
Complete bollocks, You have been relegated twice and immediatley responded with two Championship titles breaking Championship transfer records each time.
Other league finishes, 13th, 12th, 12th, 5th, 16th, 10th, 15th, 10th, 13th - Apparently though he only wants to finish 17th each season.
Teams also relegated during his tenure include Cardiff, Fulham Huddersfield, Swansea, Stoke, WBA, Hull, Boro, Sunderland, Norwich, Villa, QPR, Burnley, Norwich, Reading, Wigan, Wolves, Blackburn, Bolton, West Ham, Blackpool, Birmingham, Portsmouth, Derby.
You are hardly in the minority in suffering a relegation.