Originally Posted by
Kgmm77
Completely disagree. OP recognised their mistake in good time, made BA aware and staff incompetence resulted in the IDB. The B2B here is a red herring.
No, the staff incompetence *might* have been a reason to protect OP to DUB, but not his return and onward long-haul - especially as the connection at DUB would have been below MCT.
If I were BA I would very much be looking at ways to ensure such onward flights are treated as consequential loss.