I have zero issues with it and I do not understand people who do. We gladly leave our details with any commercial
marketplace who wants it, we share our consumption pattern with super
market bonus cards, we barf every little detail about our personal, family and social life onto Facebook and Instagram, we cannot stop posting political comments on news websites. If we can get a small discount we would sell our grandmothers for it. We join "like and share" actions on internet to get something for free, join online competitions, answer questions by
marketeers.
There is one single way back to normal life and that is with an - anonymous - QR code on our phone. Look at Israel as a great example at work. Once we achieve group immunity against Covid, we can think about dropping registration again.