Originally Posted by
amolkold
Like someone said above, OP never said these were Americans. I encountered something similar with a Dutch family last year, who decided that their kid could play in my bulkhead legroom area.
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.