There are a few reports of Thiel trying to improve his image over the last couple years.

Pressure appears to have been applied to suppress the association with his interest in transfusion of blood / being a vampire. https://gizmodo.com/someone-is-trying-to-discredit-the-story...

There are also articles from the same period casting uncertainty on his extreme libertarian beliefs https://www.bloomberg.com/news/articles/2018-04-20/peter-thi...