And if that splotch was majority democrat they wouldn't have made said rectangle. I can show you worse but then again you'd just twist it to fit your world view. Hypocrite.
The districts were redrawn under new rules because the people of Florida amended the Florida constitution to require that districts be compact and contiguous. Personally, I think the better solution would have been to draw straight lines across the state in equal population increments with all other considerations be damned.