The grammatical error is not the contraction. "You're thinking about work-life balance all wrong" can be extended to "You are thinking about work-life balance

The grammatical error is not the contraction. "You're thinking about work-life balance all wrong" can be extended to "You are thinking about work-life balance all wrong" The incorrect part is the "all wrong." It should be "You're thinking about work-life balance incorrectly."