Is it really that out of line for me to request that my family NOT upload photos of me on social media?

The way I see it, if anyone does not already know what I'm up to, what I currently look like, or does not currently associate with me in any way, it is absolutely none of their business and they don't need to know anything about me. This is why I stopped posting to social media.

I hate the idea of people knowing anything about my life that I don't willingly share with them, so I don't want any part of my life, even a simple photo, documented on my family's social media. I have a nosy douchebag ex that is somehow still friends with some of my family and "likes" the photos they've posted with me in them, for example. There is zero reason why he needs to keep tabs on me or know anything about my life. I have chosen to keep my distance from him for nearly a decade. If I wanted him to know anything about me, I'd reach out to him myself.

Anyway, I've asked my family to please not share photos of me on Facebook and other social media sites, and they act like I'm asking way too much, and that I'm really hurting their feelings. Why? If the roles were reversed, I'd completely understand that they want their privacy respected. Who cares what any nosy ass trolling people's social media pages thinks if I'm not present in any photos or status updates? It's none of their business and they need to get a life instead of obsessively stalking over details of other people's lives that they either don't/barely know, or haven't seen or spoken to in years.

Is this a reasonable request? I honestly think it is.