Diagonal speaker placement

I have never before seen the suggestion that placing speakers either side of a room corner creates tighter bass and a better sound stage image.

There’s lots of discussion in various forums, with a general view that it’s worthwhile.

https://audiophilestyle.com/forums/topic/20437-room-acoustics-positioning-speakers-on-a-diagonal-rather-than-conventional-placement/

http://forums.stevehoffman.tv/threads/small-room-diagonal-placement-images.684741/

Well Pleased AV, Vinnie Rossi, Qln, Innuos, Swisscables | RMAF 2019