Just because your sister is hyper vigilant, doesn't mean having the capacity to track your children is wrong. People have different lives and live in different places. Just because this tool has no value to you doesn't mean it is wrong.
You guys are confusing safety with surveillance because of the obvious clickbaity title of the article.
Having the option to know where your children are is not the same as controlling them. Parent intent matters and any tool can be abused, which doesn't mean the tool is wrong.
People tend to conservadorism as they age, due to cognitive decline and loss of plasticity of the brain. It's a global phenomenon and usually make them make bad decisions in regards to what's best for the public or public interest.
That's why I think there must be age limit to occupy public lidership roles.
Panis et circenses.