Whilst this seems to be the most common criticism levelled at them/Glasner, their defence isn't really the problem. They've only conceded 11 goals so far - that's only one more than each of Villa, Albion or Chelsea have, in league positions 4, 5 and 6 respectively.
Their real problem is that in...
You joke, but in the last 10 seasons the team finishing 18th (so beatable with goal difference) has had:
26
34
35
28
34
34
33
34
37
35
"40 points for safety" is a nonsense (sorry @Giraffe).