@blindscribe EMail only exists because there is literally nothing else to communicate without beeing forces to use someones platform.
For the same reason matrix was just pushed to be used by the german health care system*.
The problem for the fediverse is⦠that it's a toy, nothing companies need to interoperate.
* https://matrix.org/blog/2021/07/21/germanys-national-healthcare-system-adopts-matrix