We must start from the idea that the security of an operating system is proportional to the care and knowledge of the user who uses the device. so it doesn't matter if a user with little experience uses the latest version of Debian, for example. I have been using Linux and BSD for more than 20 years and I have always been able to verify that the user is responsible for the failure 99% of the time. Non-technical users will logically use some version of Windows, since it is the most widespread operating system, that is neither good nor bad, it just depends on the user's knowledge.
I will continue using the operating systems that I have used for years, they allow me flexibility, configuration and security that no other proprietary software can give me.