As someone said earlier, comedy is entirely subjective. For me, 'It Ain't Half Hot Mum' is basically...rubbish. But to this day, if I'm sat in front of series two, three or four of 'Are You Being Served' I will be in tears laughing. There's a timelessness to AYBS that is lost with IAAHM. Also, IAAHM didn't have (in my opinion) characters as strong as Mrs Slocombe or Mr Humphreys.
There simply isn't the affection felt for IAAHM that there is for REAL classics like The Rise and Fall of Reginald Perrin, Fawlty Towers, Blackadder, Butterflies, Rising Damp, The Young Ones, The Likely Lads etc.
These were all classics.
IAAHM was just a series of eye-rolling buffoonery, best forgotten in the Parthenon of BBC sitcoms.
Before the BBC re-transmits IAAHM, it should look to repeating some of Stanley Baxter's Christmas specials...and perhaps a Dick Emery or two...
Needless to say,..'in my opinion'.