If it were not true, Linux would never have become popular. Linux evolved beyond quickly fixing what Microsoft broke to take over the server space, but that was Linux's first practical reason for existing, to mitigate the problems with Windows slowly dying after about 2 years of being installed and used daily.
This is false. Source: Installed Windows 11 from official Microsoft ISO on a laptop from 2016 (6 years old) and runs buttery smooth.
Please stop spreading FUD like this.