I mean, they're selling something. According to the TFA, it's an abstraction that may or may not use a backend message queue, but your app shouldn't care. So they're not selling a message queue, but they're selling something.
But what's the issue with making a post and discussing how a product one made solves an issue? GPT-3 and DALL-E are both products with a pay-per-play model. So is AWS and S3. We talk about those things all the time with no scrutiny or suspicion.
