Apple is trying to prevent familial and household abuse where people install invasive software on devices of household members to spy on them or otherwise take away their privacy and freedoms.
What solution would
you suggest? Just look the other way?
The same solutions that prevents people from going to "scamwebsite.com" to steal their credit card information and ask for social security numbers. That's already an issue with a web browser like Safari is it not?
The same solutions we use for kids: parental controls that do not allow them to install new apps or give permissions like location permissions to apps. iOS already supports this.
Your idea of parental controls does not address the case where the parent is prone to spy on and do an honor killing of their own child, to state just one example scenario. This happens in some cultures. Apple can’t prevent all abuse obviously but it doesn’t want to be on the side of helping the abuser.
I'm otherwise indifferent to alternate browsers/engines on iOS, but this is a complete fiction. You made this up just to prop up your personal preference.
Disregarding the fictional/"but think of the children" nature of this for a second, apple airtags can also be used for nefarious reasons/invasion of privacy, would you advocate banning them from the market, or are you going to look the other way?
What solution would you suggest? Just look the other way?