Of course, the phone is the flagship, but they are well aware that the laptops keep their business running.
My educated guesstimation (based on publicly available sources) is that they currently ship about 500 laptops (or 1000 with optimistic growth) and take 100 phone preorders per month.
This can tell you a lot. For example, they surely know where the money is coming from and they will not neglect the laptops. It can also tell you that Intel is probably just mildly impressed by their order quantities. 5000 a month would surely be more impressive, but even that might be insufficient to change their mind. You need a long breath to bring such changes about.
My expectation is that Purism will, at some point, add a laptop line that is either ARM-based (maybe i.MX8? Could re-use the existing software stack of Librem 5) or even going fully libre with a RISC-V CPU design. The result might of course be more like a netbook, not a bleeding-edge laptop. But liberated 
While I agree that it would be nice to know more closely what they are currently fiddling with, I don’t see any evidence that they are not actively working on improving the laptop line. On the team page you can see who’s working on what.
A lot has been announced: Heads (Demo), Nitrokey/Purekey, and possibly a a Nextcloud NAS. And of course the reverse-engineering of the FSP continues, but what should they announce if it is not done yet and Intel forbids progress reports with internal details? (Find the original with the wayback machine 
)
All of theses things take time, and PureOS is also continuously improved. There, again, I’d also like to see some textual updates instead of just “391 packages can be updated”.