OpenWrt is vastly superior to the proprietary software in commodity routers. Proprietary software gates software features behind more expensive models, even though the cheap hardware can handle them.
You also get software updates. Your hardware doesn't become a paperweight when the manufacturer refuses to fix a known, actively exploited vulnerability.
You'll get new features, for free.
> You're not attaching this monstrosity to the ceiling. I would hide it, but whatever.
The enclosure is open source as well. You can build/print your own enclosure if you'd prefer, or get any enclosure for the Banana Pi BPI-R4.
They can't just ship a board without an enclosure, because it won't pass certifications.