Yep. All the corrupt players making huge black money in Ukraine didn't want anyone to put a damper on their black profits. Ex-ambassador Masha Yovanovitch spelled it out in her impeachment testimony before Schiff. She was asked it it was official U.S. policy to investigate Joe Biden & Burisma? She said: It was certainly not. She said the firing of Vicktor Shoken was not only official U.S. policy, it was the official policy of other stakeholders, countries, monetary institutions, financial institutions as well,
Full Yovanovitch hearing video (above begins at 1:20:32 mark). Very interesting. Includes a Joint Press Release by Pres. Puting & P.M. Orban on 02 Feb. 2017.
https://c-span.org/video/?466135-1/impeachment-hearing-ukraine-ambassador-maria-yovanovitch