The next paragraph about her non-tech 88 year old stepmother seems worse, he's throwing all of those people under the bus by comparing them to her.

Vintage PCs don't really have USB, but well, in his defense, people working with vintage PCs are already used to extra steps (e.g. if the PC has token ring and they want to connect it to Ethernet), so they'll need to add the extra step of "Write contents of USB image to ISO"...