I was pretty sure the Trump campaign would make Hunter Biden a campaign issue. They tried, but it didn't stick.
We could argue that CNN and MSNBC deliberately gave this article a low profile as not to upset the soft support of the D's. Ms. Clinton probably 500,000 votes or more in 2016. That might have been the lesson these two media outlets earned. Don't put up unsubstantiated articles that are bad for your preference.
As I was looking at the chart, I could only think that there was an awful lot of time spent to create these graphs. What's the motivation behind the money fronting this research?