SpaceX itself also acknowledged the possibility in a June securities filing, warning that it “may prioritize our own launch payloads over additional U.S. government contracts or third-party customers.” That shift now appears to be taking effect ...

Supporting anecdotal evidence:

A few years ago I tried booking a rideshare on the SpaceX website and got as far as the point where I'd have to pay the deposit. I seem to remember they had flights scheduled well into the 2030s, and even beyond.

https://www.spacex.com/rideshare ... https://rideshare.spacex.com/

Now, as far as I can tell, there are just 2 flights scheduled. Both are SSO missions in 2027, and neither of them has any availability. And the rideshare webpages aren't linked (or reachable?) from the SpaceX front page.

Until today I had assumed that a Starship variant with something like the Space Shuttle payload bay would be quite a high priority for SpaceX. Now I don't know what to think! Are they going to serve out their existing Falcon contracts, and HLS on Starship, and then become a purely Starlink + Starmind launch company? With a bit of Mars stuff in their spare time?