I see how this is seen as useless and non-secure; and there is logic behind it. But also, as the author suggested this may be a better solution rather than send

I see how this is seen as useless and non-secure; and there is logic behind it. But also, as the author suggested this may be a better solution rather than sending e-mails or writing passwords onto a text. Also, since it is open source as the author stated, you can run it yourself on your platform. At least you are going to reduce the number of 3rd parties involved.