Why did iCloud go all Barney on me? Is there a switch to turn off?

Factual Questions
1

iCloud suddenly changed to a goofy, Barney-style interface with soft Teletubbies pastel graphic elements that are downright hard to see. WTF? Is there a switch that turns this off?

2

*logs in *

Oh, dear lord. My guess is this is related to the new iOS, so they are trying to make the interface mimic that.

3

I know I should try the fine manual, but clicking on help gets me the following “insiders only” gem:

The book you are trying to open uses too old of a birdseed revision. Expected 1, got (null)

4

Shit shit shit, the new iOS looks like this? Is the new iPhone made of soft vinyl, too?