Being killed by Respawn Anchor has no death messeage

Maybe intended. This death message appears when a respawn block is placed in the wrong dimension.

Good point, the same thing happens trying to sleep in the Nether. Anyway the message doesn't look ok, it should be describen how you got killed.

How is this not a death message?

[Intentional Game Design]? Which any other death message is in [brackets]?

Being killed by f.e. zombie is also Intentional Game Design and it has a different Death message.

I mean that any death is caused by Intentional Game Design. And this is the only one that does not have its own description.

It's a joke, that's why it displays when you die in a way you wouldn't think was possible

The death message was intentionally (pun entirely intended 😛) made on the 1.13 snapshot 17w48a. Clicking on the [Intentional Game Design] will redirect you to MCPE-28723.

Oh, I know that the explosion is intentional, but I was not sure about the message. Thank you for explaining. 😉 

See comments above.