No, I don't think it does because of how primaries are held. Depending on the state only members of the party may vote in the primary though Georgia is not one of those states.
You also have to factor in the fact that there was no primary opponents for the GOP for President, Senate, House districts 3, 4, 5, 10, 11, 12 so there was not a lot of reason for some voters to even show up if they had no one in the party to vote for. In contrast the DNC only had uncontested ballots in House districts 2, 3, 6, 8, 11, 14 so they had a lot more reason to show up in greater numbers. NPR election results
With the knowledge some GOP voters had no one from their party to vote for they could have just voted for a DNC candidate to try and influence the results.
Unlike open primaries, voters in areas with closed primaries have to officially register for a political party before they can vote in the party's primary.
Once the voter has registered with a particular party, the voter can only participate in that party's primary election. For example, Republicans can only vote in the Republican primaries, and Democrats can only vote in the Democratic primaries.
An important feature of the closed primary system is that it forces voters to affiliate with a political party before they can vote in a primary election. Therefore, independent and non-affiliated voters are generally forced to affiliate with either the Republican or Democratic party to cast their vote in a primary election.
When we talk about open primaries, we are essentially talking about primary elections that are open to all voters, regardless of their political party affiliation.
Open primaries give voters the greatest amount of freedom when casting their vote because they can privately vote in either party's primary.
Voters in areas with open primaries can vote for a candidate in their party, or they may choose to vote on the other party's ballot, crossing party lines.