Why did the Ubuntu team not add UEFI capabilities to the Minimal iso?
The Ubuntu help only stated it lacks them:
And a bug report got triaged with a ....
Or use this how to.
... but there is no actual source stating why it lacks (U)EFI. I have not seen anyone claim it is due to a copyright issue (that was my 1st assumption). At the moment I would state: because nobody cared about adding it.