And survivor bias.
People who like the tool at first use it until they stop liking it -> "it got worse"
People who dislike the tool at first do not use it -> "it was bad"
People who like the tool at first use it until they stop liking it -> "it got worse"
People who dislike the tool at first do not use it -> "it was bad"
Living evals can solve for the quantitative issues with infra and model updates, but not sure how to deal with perceptual adaptation.