I bought a Dropcam when they were a new thing. When I realized they did literally everything via a cloud service and would be a brick without that service, I was furious. The incredible arrogance of a company making a webcam that sends your video to their servers, and provides no means to use the camera in a secure/local fashion, was astonishing to me. I still can't believe something like Dropcam is such a huge succe…
That is the difference between tech professionals and the general public. We care, others don't. Make it work, make it just expensive enough folks will buy it to fix their problem while you clean up, profit.
If you want things to change, it'll only happen with regulation.