Hindsight critics are individuals who are often quick to criticize or judge after the fact. Finding synonyms for this phrase may depend on the context and tone in which it is being used. Some alternatives include Monday morning quarterbacks, armchair quarterbacks, second-guessers, naysayers, faultfinders, and backseat drivers. These terms may be used interchangeably to describe individuals who often critique or scrutinize decisions or actions after they have happened. However, it is important to note that constructive criticism can be useful, while hindsight criticism typically offers little to no value.