![](https://lemmy.world/pictrs/image/c50faccc-b1f1-4909-bc1d-9b5a6e27eabf.png)
![](https://fry.gs/pictrs/image/c6832070-8625-4688-b9e5-5d519541e092.png)
Deleting messages from an iPhone WILL delete them from other devices - assuming you’ve opted to let it to do that, and then even still, there may be a delay until the next sync happens.
I’ve deleted messages on my iPhone and they’ll linger on my MacBook for a good while, depending on circumstances. (ie, if the MacBook wasn’t on network when the messages were deleted).
Cultists are easy to swindle.