He was just pointing to privacy which is a good way to prevent someone from tracking our Bitcoin but the problem is all addresses that we use in the signature campaign are always public there's no way right now to make our BTC private because we already posted our BTC address here on the forum and all transaction are recorded on the blockchain even we keep changing our BTC to any signature campaign it's still public unless if we sent the BTC to other address which they don't know if we own that address where it sent to.
What you are saying is correct and it is not that easy to wipe out the Bitcoin addresses in the forum. The only solution that comes to my mind is to either use different Bitcoin addresses for every new campaign or convert Bitcoin to Monero on a trusted P2P platform and then again swap Monero to Bitcoin in another P2P platform. For example, sending Bitcoin to Bisq and then converting them to Monero, sending Monero to localMonero or any other exchange then again converting Monero to Bitcoin. It will cost some Bitcoin for buying and selling but it is the best option available as of now.