Signal would be a lot more pragmatic if they would develop a funding model based on selling something for actual money, rather then subsisting off donations. Sell "Signal for Business" accounts or something so I can stop having my bank or local government depend on SMS to communicate with me. I know a number of doctors who'd really love to be able to use Signal to talk to their patients (and would tell them to instal…
I was against WhatsApp for Business until I had to use it to communicate with Virgin Atlantic. It was so much better than getting on the phone to call them! It probably took longer overall whilst waiting an hour or two between replies, but having a history of the conversation and knowing there's someone reading my request in full and replying properly was great.
I dont know why Signal are wasting their time with cryptocurrency projects, whilst the normal app seems pretty stagnant. I'd love a 3rd party API or bot system that was done in a tasteful and private way, but I dont believe there are any plans for it.