Metal pinion issue

A quick question for anyone:
Looking at the “Kit Contents” tab on the Gears page, I find:

and

emphasis mine.

Page is here, if you want to look yourself:
https://www.vexrobotics.com/vexedr/products/accessories/motion/gears.html

I note that different wording is used to describe the inserts depending on which kit they’re packed in.

Is this because they’re different products?
Are you supposed to be able to put a High Strength Gear Insert into a Metal 12-Tooth Pinion?
If not, does this mean there won’t be 12 tooth sintered metal pinions available for standard shafts from this point forward?

Here’s a picture that brings about the question:

My daughter’s team opened a new box of high strength gears, took an insert, and placed it in a pinion. This is the result.

Those are the wrong inserts for pinion gears, which come with their own special insert. Here is a photo of the gears and inserts: