Just believing that everything the government do is part of an evil masterplan to oppress and control us isn't thinking.
It's also being a sheep, just following different people.
Basically I think the app is what it says on the tin, part of their strategy against Covid. I think their strategy is bullshit so I won't be joining in, but I don't think it's a step towards some long term aim of chipping us and controlling every aspect of our lives.