Strange that I never heard of this "notorious" (def:.Known widely and usually unfavorably) case.
A plane taking flak was over enemy territory. To "bail out" means to give up the chance of returning to your base and -- assuming you survive parachuting into all that flak (fired by anti-aircraft artillery) -- taking your chance of being treated decently by enemy ground forces and going to POW camp for the duration.
It's odd that the author doesn't provide a name.
I also thought that there were a lot more "notorious" episodes, although I guess the author was focused only on notorious american malfeasance, as opposed to the apparently non-notorious execution of millions of jews, or the notorious failure of france to care about their own country, etc.
In the absence of an answer to your post #83 and my post #94 in this rather lengthy thread, it appears the writer begins with a myth instead of fact. I have complete confidence in the intelligence of those on FR and if this incident actually happened, someone on FR would have reported it.