No, it means that Apple rewrites your app and releases their version for free with macOS, destroying your business.

https://en.wikipedia.org/w/index.php?title=Sherlock_(softwar...

Apple has also acquired successful apps. In 2001, the same year that Apple "sherlocked" the app Watson, Apple acquired SoundJam MP and turned it into an app affectionately known as iTunes.

https://en.wikipedia.org/wiki/SoundJam_MP