Seat62K
I would guess that if BALPA comes out against Willie Walsh that his position might actually be strengthened, since significant shareholders are, as I stated earlier, generally only interested in profit and share price and, certainly in relation to the former, Walsh is probably seen as having done well (so far).
Yabut ......
You need some customers to have any turnover never mind PROFIT.
By scaring the pax (and especially the profitable pax) away Wee Willie has cut his own throat.