I am all for local however my biggest issues with video doorbells tends to be the field of view, image quality and operating temperature ranges.
I live in a climate where +30C and -20C will happen at least for a few days a year and quite often I have seen doorbells just go offline below when it gets cold outside or physically degrade in the heat.
I want a highly durable device. These ESPCam devices kinda have crap optics, I want to clearly identify people in the dark.