I've thought for quite some time, and brought it up here before: one way to take a stand is just to drop guitars altogether.
I dig guitars, and play guitar. I've played guitar in many bands and, as a bass player, have worked with a lot of great, very cool guitarists.
But really, even in doom or any other genre, guitars aren't "required." There have been a few bass/drum duos. A two-bass and drums lineup would be pretty cool. Or bass-keys/synth-drums. There are all kinds of guitar-less options, and I'd like to see more of this kind of thing.
Many years ago I was messing around with a couple of friends and we recorded a few tracks just for sh!ts'n'grins of bass, drums and a trumpet which was mic'ed and the mic was run through some pedals. It sounded fargin' m-a-s-s-i-v-e. We thought it sounded so great we intended to pursue it as a project, but we were all already in more than one band and had commitments and it never got off the ground.
Thanks for this info/rundown of your experience. I haven't sought any kava out, but I am going to try to track some down. need to try this.