Yes Tails untill you start to get popup screens on your computer saying 'your favourite artists new song is downloadable at x site' or shop for 'inflatable plastic sheep' here.
Or when you apply for a job and the company exec's ordered a background check from you, including your shopping habits, musical interests and which kind of sick pr0n you like to watch on your freetime.
Yes, it will all be for sale and yes, it will be used against you.
Having no privacy laws is a very very nasty thing.