Something happened at the very start of Chicago that marked a pivot in musical theatre. In fact, what happened in the first five minutes of Chicago the movie could be said to have set the filmed musical on a new course forever, and few people even noticed it had happened.
Just turn on the TV right now and count how many times people say it on the news, reality shows, and interviews. Whenever someone runs out of an ability to properly explain something with specificity, they run to the adjectival filler ‘amazing.’ It’s cheap, industrial-grade description — the corn syrup of self-expression.