It doesn't. This is a pure excuse and it's a sad one. The NY Times posted financial information, which is actually illegal for whoever leaked it to divulge: https://www.youtube.com/watch?v=gVheQQ2sNM0

The tax leak was a big nothing burger too. If you read any accounts blog looking at the leaked information, nothing was really out of the ordinary for big real estate people. Did Trump use a lot of loopholes to avoid taxes? Yes, but everyone who makes over a million a year pays people to do this.

The Hunger Biden allegations are much much more serious. We're talking about a family member who was allegedly involved in key meetings with foreign states.