Sorry didn't read original article, its such ancient news.
This has been going on since days of DOS, like 35+ years.
"MS-DOS also grew by incorporating, by direct licensing or feature duplicating, the functionality of tools and utilities developed by independent companies, such as Norton Utilities, PC Tools (Microsoft Anti-Virus), QEMM expanded memory manager, Stacker disk compression, and others."
This has been going on since days of DOS, like 35+ years.
"MS-DOS also grew by incorporating, by direct licensing or feature duplicating, the functionality of tools and utilities developed by independent companies, such as Norton Utilities, PC Tools (Microsoft Anti-Virus), QEMM expanded memory manager, Stacker disk compression, and others."
This is Microsoft business success 101.
https://en.wikipedia.org/wiki/MS-DOS#Competition