The official bug of the day makes https://try.dot.net open a printing dialog, just by using Math.Round. Here’s the github issue: https://github.com/dotnet/try/issues/290
Responses on Twitter are totally appropriate.
This is a discussion I had more than a decade back with economy students, as a student of computer science. The argument was much the same and nothing much has changed in the meantime. The difference is more data is available today and can be used much easier, though, which is to Noah Smiths argument.