The thing of it is...they hired a team that has won Emmys for producing the Tonys! https://variety.com/2020/tv/news/democratic-national-convention-producers-directors-joe-biden-1234745047/
“The first thing we said was, Its not going to be a giant Zoom call, Kirshner told Variety in a joint interview with Weiss just two days after the convention came to a close. We were determined not to be that. So every plan we had was, How do we make this look like live television?
And everybody says a giant Zoom call is what they ended up with!