While fixes for security bugs on the Linux platform usually come out quickly, there do seem to be a lot of laggards in deploying them <https://www.theregister.co.uk/2020/04/28/vulnerabilities_report_9_million/>. Why is this? The researchers speculate that "Windows admins are more accustomed to regular reboots after decades of conditioning," while "tooling for managing Linux fleets at scale generally lags behind that of Windows." Also perhaps the Linux installations include a lot of embedded/IoT devices that never get manufacturer updates.