You built Instagram and Facebook. Your kids aren't on either. Why not?
My kids will use these products when they're 13 — the same age every other kid can — because these tools are designed for brains that have developed the capacity to process them.
Look at the actual product specs: Facebook and Instagram are 13+. This isn't a suggestion, it's a design constraint based on what developing brains can handle. The algorithmic feeds, the social comparison loops, the attention capture system...