https://en.wiktionary.org/wiki/do_a_lot_of_work
A random example from 1991:
https://www.google.com/books/edition/Object_oriented_Program...
Of course Claude picked it up from usage; it didn't invent the phrase. But I don't see any indication that it's uniquely Claude-y. I use the phrase on occasion myself.
https://en.wiktionary.org/wiki/do_a_lot_of_work
A random example from 1991:
https://www.google.com/books/edition/Object_oriented_Program...
Of course Claude picked it up from usage; it didn't invent the phrase. But I don't see any indication that it's uniquely Claude-y. I use the phrase on occasion myself.