There were a few possible or implied homosexual characters in Agatha Christie books. One book titled “The Moving Finger” - Mr. Pye (he was an antique dealer I think). Also a couple of “handsome” women in “A Murder is Announced”. Murgatroyd & Hinch or something like that.
I’ll accept the implied...not the blatant.
I guess I’m just not ready to see our current social mores in a fifties setting. Heaven knows those NEW mores are ubiquitous and often where it is not necessary.
I suppose that makes me a little bit Amish.