I followed your link and decided to use my own saved link. Using the "Update" link there, I ended up at the same page as your link. I was checking because I had trouble reading the text on the button (image below).
I was surprised at what it said, I shouldn't have!
BTW, I was unable to create my own Recovery Disk, even after erasing with DU. DW reported "The creation of the DiskWarrior Recovery Disk failed. The destination disk is not reliable, should not be used and should be erased using Disk Utility."
That 32GB disk is only 7 or 8 years old!
I tried plain APFS, APFS (Case-sensitive) and Mac OS Extended (Case-sensitive, journaled). A plain Erase completed successfully when formatted as Mac OS Extended (Case-sensitive, journaled).
