By choosing to not get a DNA test at all due to privacy concerns, didn't you also pollute the data, albeit in a different way? 23andme data will vastly under-r

By choosing to not get a DNA test at all due to privacy concerns, didn't you also pollute the data, albeit in a different way? 23andme data will vastly under-represent people with strong privacy concerns which might have a future impact, especially if scientists using this data forget to take it into account.