I’m not interested in arguing and have already shared my experience, hope you have a nice rest of your day. From their perspective, “texting” most people just quit working and someone had to “fix” it by switching them back to their phone’s default sms client. It’s pretty clear you haven’t been tech support for an elder, a lot of people aren’t aware of these things or making real decisions about them at all. Texting at all is a big ask, they need help looking at/sending pictures, a separate app is way too much friction