It's not that simple. In countries where WhatsApp is ubiquitous, it is used for more than just messaging friends. For example, many childcare places will send

It's not that simple. In countries where WhatsApp is ubiquitous, it is used for more than just messaging friends. For example, many childcare places will send updates through WhatsApp groups. So you have to convince the business and all their clients to switch to signal or do without notifications for your child's childcare.