So, in HN terms, I think it is a very poor business decision to leave out 1 in 20 clients that are so easily self-selected for segmentation (just by asking them

So, in HN terms, I think it is a very poor business decision to leave out 1 in 20 clients that are so easily self-selected for segmentation (just by asking them their language). Mostly if you admit that it is a wealthy segment. By the way, I'm not french, and I find that "curiosity" term insultingly patronizing.