In short, the "Biden Curve" was a byproduct of unprecedented voting methods due to the pandemic and the complex, staggered reporting of votes rather than any foul play.
During a CNN roundtable Wednesday night, Republican strategist Margaret Hoover claimed that internal polling from inside the Trump campaign suggested that despite a reported early groundswell of support, the campaign’s lackluster polling results are “giving them pause.”
“I have heard from Republicans that there is concern at the Trump campaign amongst the operatives that actually really do know the political wherewithal, the turnout and enthusiasm numbers aren’t where they need to be,” Hoover said.