Transformers movies kill Optimus or Bumblebee out of weird

From Rise of the Beasts to Optimus Prime’s death in The Transformers: The Movie, killing off characters is baked into the Transformers franchise.

Could Bumblebee become the next prime after Optimus? - Quora

Could Bumblebee defeat/stop Prime if it really came down to it? In Transformers 5, he gave him a hell of a fight and was only 'beaten' by the environment, not by Optimus.

10 Transformers That Actually Look Good In The Movies (And 10 That Look Better In The Original Cartoon)

The Transformers movies are total nonsense. That's their secret strength. - Vox

Bumblebee' is Great and Here's Why, by Maddy Cohen

Optimus Prime (Movie) - Transformers Wiki

The Transformers Writer Behind Optimus Prime Has A Problem With Michael Bay

Transformers: Rise of the Beasts first reactions call it better than the Michael Bay films

Transformers: Every Version of Optimus Prime, Ranked