You hardly can compare the number of tickets in an issue tracker of an open source software (let it alone being a distribution, collecting thousands of packages and reporting straight to upstream developers) with the information spread about closed software.
I remember this clickbait title from a couple of days ago. The comparison is for all packages over Debian's history in the last 20 years versus a specific release version of Windows. Hardly a fair comparison.
You hardly can compare the number of tickets in an issue tracker of an open source software (let it alone being a distribution, collecting thousands of packages and reporting straight to upstream developers) with the information spread about closed software.