Welcome To Plathville‘s Moriah Plath has always had a close relationship with her former sister-in-law, Olivia Plath, but it was hypocritical of her when she turned against Olivia and said she lacked self-awareness. There have been several instances where Moriah’s private life didn’t align with her public persona. While Moriah promotes authenticity, independence, and self-expression, certain examples have made many question how true her messages are.