Earlier quoted context omitted.
at least on Android you can sideload it
I recall reading something recently about how in a coming release, Android will disable sideloading. The sole permitted way to sideload will be to enable ADB and then install the app with adb install. Some techies will continue to do that, just like some people unlock the bootloader and install LineageOS on their device, but removing Signal from the Play Store would make it as good as dead for the general public. (Ev…
I guess this is what you're referring to:
https://9to5google.com/2019/12/06/google-advanced-protection...
"Given that these features are already functional once enabled, it may not be long before the sideload protections arrive for those who enrolled in the Advanced Protection Program."
Perhaps developers will one day be required to provide proof of ID to Apple or Google before being allowed to carry out the "dangerous" activity of installing unapproved software.