Unfortunately, there is no seamless texting replacement out there. To use GV I would have to give people a separate # to send texts to vs what they see when I call them. I use Kakao with a lot of my friends, but a lot of people still have feature phones or even dumb phones and SMS is the only option.
I hear you on that.
People automaticly try to text your cell number and if you have texting off or rely on other alternative methods you might miss some important stuff.