It was a problem even at the time, as Easter eggs took up a fair amount of memory on microcomputers. The famous WAIT6502,10 in Microsoft BASIC Easter egg would

It was a problem even at the time, as Easter eggs took up a fair amount of memory on microcomputers. The famous WAIT6502,10 in Microsoft BASIC Easter egg would be removed by some vendors: https://gigazine.net/gsc_news/en/20220128-microsoft-commodore-basic-easter-egg/ https://gigazine.net/gsc_news/en/20220128-microsoft-commodor... I'm not sure Microsoft did formal code review at the time, by the way. Windows was the first time its rather informal development practices became a liability.