I don't know how the rules are here about getting personal, but aside from making other users be uncomfortable you're missing the point completely.
I don't personally feel a need for a high level of privacy, but I can understand other people who do.
And if they are using DuckDuckGo for that purpose, this issue would seem like a big thing.
If you served a dish for a vegan with 5 % meat in it, you wouldn't justify it by comparing to the amount of meat in non-vegan dishes.