Vol 7 is right in some respects.
By definition, a work to rule cannot possibly result in a disciplinary. How can it if you haven't broken any rules?
This is all about making the management realise how much this airline, particularly bmibaby relies on 'good will' to muddle on through from one day to the next. Good will is unquantifiable until it is completely taken away.
A strike would certainly demonstrate this and I hole-heartedly support the 'enough is enough' campaign, but I feel that a protracted and less 'gentlemanly' obeyance of the playground rules should not be ruled out.
This is a path that must be followed. Lose this battle and you'll never win another one again.