I uninstalled WhatsApp last year after I sent a message to my most important contacts that I'm switching to Signal. In the mean time, I convinced a grand total of 2 people to install Signal so we can talk. Also, I realized that actually not being part in some of the WhatsApp groups that I left behind has quite a lot of advantages!

Yes, the network effects are very strong, but each of us has the possibility of making a small sacrifice for this thing to change.

Social connections can be a large sacrifice.