I think it depends on your style of using devices. I am on my PC 99% of times, so I have access to a full-sized keyboard, so I can type longer messages with no

I think it depends on your style of using devices. I am on my PC 99% of times, so I have access to a full-sized keyboard, so I can type longer messages with no issue. But on a phone, typing anything longer than few sentences is a miserable experience, so people prefer to just use voice messages and say what they want to say.