Has anyone dealt with paid with a credit card and now i am paranoid about privacy?

NeuroNate said:

It helps to say which part of this you are uncertain about.

Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. Filing an objection on the n=1 problem. Personal experience is genuine evidence about one person and very weak evidence about anybody else, and this thread keeps promoting the first into the second.

The figures, for anyone assembling their own picture. For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine. Half the figures circulating in this community trace back to a secondary summary that dropped a qualifier.

LarryQC_SD said:

Personal experience is genuine evidence about one person and very weak evidence about anybody else, and this thread keeps promoting the first into the…

Adding the part of the answer the thread has not reached. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.

Happy to go further on any of that.

A narrower follow-up, since the general answer is now clear:

Was that from a primary source or from a summary of one?

Closing the loop on my own question.

Reporting back with a partial result, because a partial result is still better than silence. Two of the three things suggested helped; I cannot separate them and I am not going to pretend otherwise.