That's always been true. Perhaps even more so as Astro constantly faced an existential battle for a working business. Now they don't have to do that and Cloudflare makes their money on their infra business. Locking Astro up now or in the future gains them very little compared to how much they make with hosted upsell services. [edit: clarity]

It's a static site builder. It creates a static site. HTML, CSS, and JS. That you can then upload literally anywhere.

Once again, what lock in? There is literally nothing to lock in. Explain exactly how they are going to lock somebody in, moreso than the lazy "for now" which you seem to constantly repeat.