Wifey works at uni. From all her stories, sounds like a strategy I'd adopt to boost my GPA, if it existed back then.
Of course, there are also true cases where it takes 4 hours to complete a 30-minute test.
All it does is kill the GPA signal completely. One amongst many before, pure noise now.
[edit: not denying people need it. but it appears like folks that don't also use it]