CLEAN : Wine dealer lied over fake vintages: US

The transcript discusses a wine seller who attempted to sell wines from the 1940s and 1950s with suspicious labels. The speaker noticed pixelation and dot matrix patterns on the labels, indicating they were computer-generated. The seller also learned to make corks, and was protected by those profiting from his sales. Despite allegations of fraud, he was supported by influential people. The transcript ends with unrelated content.

What was the significant skill that the person involved in the fraud learned?

What was the speaker's concern regarding the protection of the person selling the wine?