My experience has been the opposite. I've had OpenWRT gear running rock solid for more than a decade, and a box full of Ubiquiti gear that no longer gets updat

My experience has been the opposite. I've had OpenWRT gear running rock solid for more than a decade, and a box full of Ubiquiti gear that no longer gets updates, doesn't work with recent management software, and some that's even been resuscitated back to usefulness by flashing with OpenWRT.