I have continually and repeatedly said that I expect consumer DNA testing to provide evidence and proof.You've already admitted you're wrong by not providing any evidence.
DNA proves relations, not rape. To make such an accusation requires evidence. At least to be taken serious. Without evidence, it's simply a claim. An unsubstantiated one at that.
I find it ridiculous to make such claims without evidence. Every other claim made on this site, has required evidence to be taken serious. So should this one.
But there is abundant evidence in primary sources from the period that indicates that it was widespread. DNA will narrow it down to specific persons.