FreeBSD always has from 0 to 1 WiFi maintainer. All of them were very talented and productive (Søren Schmidt, Adrian Chadd and Bjoern A. Zeeb among others!), but it is too complex and vast area to work alone. Especially beginning from 802.11n and beyond.
What are Qualcomm other WiFi offers? I mean, for PC, not embedded into smartphone chips.
Broadcom and Realtek is not better. Intel is not too great too (blobs in firmware, etc).
Firmware uploaded to a device CPU isn't really a problem as long as the blobs can be distributed, pretending that adding flash to every gadget to store the same blob makes a gadget better is just naive. I for one would prefer stateless peripherals.