That does sound like brushing, https://www.uspis.gov/news/scam-article/brushing-scam, which is effectively what you describe: >Maybe someone's writing fake reviews, but making real orders to match

Man, that seems wasteful.

I opened all of the packages already, so it's too late to send them back. (I get enough things in the mail that I did order, that I pretty much have to open it to know it's something I didn't order.)