error, regression, bug, bullshit are not weasel words, hallucination is a weasel word because why exactly? your argument is a weasel argument.
Do you really think accountability would be meaningfully different had they been called bugs?
Why are you so confident it is intentional? My understanding of the history is that it was a technical term among researchers long before it had any public mind share. It's popular because it's and intuitive for most people, not because there was a concerted effort hooked up by some PR and legal team.