A small number of people seem to be perpetually offended by anything, but most in the "LGBTQI+ community" (a term that I, a gay man, roll my eyes at) see nothing wrong with "ladies and gentlemen" other than the fact that it can sound a little stuffy and old fashioned.

It is, however, good to also be sensitive towards those who might not identify as a lady or a gentleman, and might even be going through a very difficult time with regard to gender identity, and as long as the new announcement is natural and doesn't sound like BA is trying to hard to be seen as inclusive then I'm all for it.