PA has closed primaries though, so he likely would have fixed it if it was a mistake. In any case, if you're looking for nuance, there's not a lot of it in political violence in the US.

Ruby Ridge, Waco, Timothy McVeigh, Jim Adkisson, Dylan Roof, the Tree of Life shooting, J6, the 2022 Buffalo shooter, Jacksonville 2023, Allen, TX 2023, etc.

Nearly all political violence in the US is committed by people espousing right wing ideology, so if it walks and talks like a duck, is telling you it's a duck...