that's what I thought as well.
About the microcode, this won't be fixed. But see the weekly updates on their blog[1] that states progress they make with the coreboot developers. Hopefully they can free the number one problem with intel chips[2] which is the Management Engine firmware.
[1] https://puri.sm/posts/weekly-update-on-librem-production-201...
You can disable this in software by passing "bt_coex_active=N" to the iwlwifi kernel module, but of course, who knows if that's actually sufficient.
I'm pretty sure the situation with other vendors is similar or worse. Big vendors like Broadcom have terrible open source track records.
In reply to sibling poster about dip switches, it looks like there are little wires running inside the case from the four separate connections to the two DPDT switches, i.e., if you want to find a DIP switch and mount it to your laptop, the 4 wires are easily hackable.