As SLF I have been loyal to BA and remain so. The reasons are that the current timetable from Boston is beter than Virgin, the planes and crew are beter than AA (no seat back screens on AA) and that my wife is currently a Gold Executive Club member. Also we want to fly direct to LHR (lots of other options if we don't mind changing planes).
Down sides at the moment are it takes a lot of flights to remain gold and its hard to use the air miles at a time we want. They are small points really but the big one at the moment is still the threat of IA. Mrs J is flying back to the UK in January for work so that should be OK but we are flying back for a holiday in March so will that be ok??
In the last few years the majority of CC have been excellent, a few have only average but at no time have any been rude.
If BA don't survive then it will be a sad day for aviation but life will go on and we will have to fly with AA or Virgin.