Just don't install it. I've never used it. People ask why, I answer that I do not accept the spying in their terms of service. Far more people are sympathetic to that line than you might expect.
If you live in the Netherlands and have young kids in school this really isn't option. It's how kids' parties are arranged, sports schedules are communicated, parents are kept informed about school. And then it is also often the most convenient way to contact any help desk.
The annoying thing is is that WA became the standard for communications when they were not owned by FB and had a privacy focus. This is why I have no qualms abut trying to cheat out of their horrible system.
