Does it not sound ridiculous to you that we have to go to these length to prevent Facebook from having information we don't want them to have? The techniques th

Does it not sound ridiculous to you that we have to go to these length to prevent Facebook from having information we don't want them to have? The techniques that have been suggested are beyond the understanding, if not the capacity, of probably 90% of internet users. How are they to keep Facebook from knowing about them if they don't want it to?