During the WW2, many in Ukraine and Poland sided with the Nazi's against what they perceived as the the greater evil of Soviet Communisn. Just as today, many side with Assad in Syria, agains the greater threat of Wahhabist Islamfascism (ISIS). If you live inside the country, there is no option not to take sides. 

Certainly no one can blame Ms. Freeland for trying to sweep this aspect of her family's past under the rug. Most of the west is so brainwashed about WW2 that a nuanced discussion is not possible. 

We can blame her however, for not undrstanding the background of current eastern European politics and reflexively blaming Russia for everything that does not go her or NATO's way.

After the war many of the best and brightest of Nazi middle management migrated to the West, That the CIA and US hired them is a well known fact.