I've bought plenty of things with Monero, wine, hats, a book, snack bars, and more.

Anything you can buy with Bitcoin, you can basically buy with Monero too.

Now, yes granted for some things we're still early but there's workarounds like https://trocador.app/ , and https://cakepay.com/

Trocador let's you send Monero to an address, and Swap to Bitcoin, they even have a merchant tool for this called AnonPay.

Cakepay is a monero gift card website similar to Bitrefill.

And In most multicoin merchants that accept Both Bitcoin, and Monero, Monero tends to be just as big, if not bigger than Bitcoin.

People spend Monero, and I'm one of them ✋️😃.