但是他们的workers和附属的开发工具越来越多，怎么感觉也是一种‘卖小鸡’了

Cloudflare is working on K2, a durable event-stream primitive.

It's a named, append-style log of "records" you produce to and consume from, with a configurable retention window, writable from a Worker binding or over HTTP.

Basically Cloudflare Kafka.