In this case, it only reduces the security of the app against exploits rather than the security of the OS. Secure spawning protects the app via unique ASLR base

In this case, it only reduces the security of the app against exploits rather than the security of the OS. Secure spawning protects the app via unique ASLR bases, random memory tags, etc. Blocking dynamic code loading prevents common accidental vulnerabilities via insecure code loading and hardens against certain exploit techniques.