True enough, but it does not clear the damage done to the innocent victim, whose only sin was to post a photo or two on the internet.
That is true of every nation, not only Filipinos.
The vast majority of people tend to tar everyone with the same brush, without making allowances.
There are, undoubtlely, many, many nice Nigerians, or real honest russian brides but generally we dismiss them authomatically as scammers, because after many yaers of hearing horror stories we have become conditioned to it.