qualcomm also. What else is there that is actually worth having? You of all people know how it is going with librem phone.
And regarding android, we've been there multiple times. Livemorium does not have billions, they need to go with something mainstream.
So common display size and form, common SoC, common camera sensor.......... Mass production components to achieve lower price. They need something that has a chance to succeed. Just form factor as such is already pretty radical these days. Android is not important for us, unlockable bootloader and their will to support other systems is. After all, aren't most of devices that people ported sailfish in early days and maemo leste also qualcomm based?