Does that American flag have half of it replaced with the Confederate flag? This is either a very poor Ukrainian-tier Photoshop or an individual with a very warped view of American history.
I could see someone flying both the US and Confederate flag if they had ancestors who fought on both sides of the Civil War or they had a Confederate ancestor and wanted to honor them, but that half and half US/Confederate flag is stupid as hell. The US and, technically, the Confederacy were independent nations and mixing their flags does a disservice to both their histories.