Cloudflare's goal is to become the default choice for anyone deploying an app to the cloud. It makes sense for them to support popular frameworks such as Astro, so that they can ensure that the frameworks work very well on their Workers platform.
Anyone except users that need to serve the German market. Due to peering issues with the biggest German ISP that have been unresolved for years, websites hosted with Cloudflare simply don’t load in the evening.
