That speaks more to a lack of better options. Than anyone's desire to actually broadcast their children. If someone were making an affordable camera system with a hardware management Hub local that you could log in through tail scale or similar. People would be clamoring for it.

Unfortunately right now with the AI bubble is about the worst possible time to launch such a product or project. Even a formerly cheap of single board computer such a Raspberry Pi. Which used in the cost about $35 on its own now costs closer to 100. Although there are a number of good inexpensive ESP camera modules now.