Besides reliability I don’t understand why anyone would choose revolvers or 1911s when so many other equally reliable, smaller and higher capacity semiautos can be used.
Diversity?
Although 38s are great as subsonics in a 357 Henry or other lever actions
I used to carry a j-frame smith when I was road running a lot. Always felt good in a little belly band.
but to your point I only carry autos these days