A scholar called Hector Avalos wrote The Bad Jesus which lays out in detail Jesus’s racism, misogyny, hatred of disabled people, condoning of slavery etc
Saying that progressive Christians are the ones being true to Jesus's word is actually pretty naive. The late Hector Avalos wrote a book called The Bad Jesus that threw cold water on the idea of Jesus as some kind of 1st-century Bernie Sanders. By covering all of Jesus's teachings instead of just the feel-good bits, Avalos came to two conclusions.