IAG bought BMI. Lufthansa drew a line in the sand with the EU and stated they would close down BMI if the deal with IAG was not ratified as it was loosing too much money per day. IAG stated from initial bidding that they did not want Regional or Baby, I have heard on the grapevine that all other interested parties said a similar thing.
LH threw the pensions of BMI into the regulator, no-one else as they agreed to take the pensions liability away from any purchaser.
BA pilots agreed cuts and productivity increases to bring BMI onto the BA mainline, the other option was a change of AOC and a re-writing of contracts which would probably have resembled 'Click Air' contracts. Very unpleasant for everyone, BMI mainline and BA. Would a 'BA Express' have worked? No-one knows for sure. Given the demographics of Heathrow and anyone with experience of operating out of it would probably tell you a resounding 'No'. That is now going to be a subject purely of conjecture.
350 Pilots now going through LPC/OPC conversions, aircraft being repainted and BMI routes/crews being integrated into the BA schedule as of the start of June. Not bad considering the job security in mainline BMI a few months back.
Where then have BA (Not IAG) acted without responsibility? Please, do tell.