Originally Posted by
Fornebufox
BA and other non-US airlines often reserve the bulkhead seats for families with small children. In your case could have been this family's expectation. Next time have a word with the FA?
But kids playing in the aisle? No.
Many airlines (Air Canada, BA) stop children sitting on the floor of bulkheads for the same reasons (turbulance etc). My last few flights I've seen FAs enforcing it more strongly than before.