I'm not talking about voicemail. I have nothing against a short message to say that you tried to call, give details on when would be good to call back, etc etc.
I'm talking about the voice clips you can record on Whatsapp, messenger and so on. Maybe it's just my circle, but some of my friends will leave about 10x1 minute voice clips. In order to listen to them, I need to have a quiet, private space, time to listen to them all, and some way to note down everything they've said because by the time I've got to the last one I can't remember what was said in the earlier ones. With a text, you can just read back to make sure you've replied to everything they've said. If you need to reply a little later, you have to relisten to the whole thing again. Voice clips only benefit the sender, not the receiver.
They were a good idea to try out, but now we've seen how insanely annoying they are, it's time for them to be treated as a failed experiment.