[650REDHAIR]

Ease of interaction.

Higher resolution photos, location sharing, in-line replies and emotes, etc etc

Group threads with a single Android user get annoying.

[theodric]

Group threads in one manufacturer-provided chat program get annoying. Venturing outside the defaults by using Signal or WhatsApp (or Threema or Messenger or...) would mitigate this. I suspect the root of the problem is folks accepting defaults unquestioningly, resulting in de facto manufacturer lock-in.