This is the problem many of us feared.  This is the issue that is going to ring louder than the actual security implications of chip-set level vulnerabilities.  When system performance is directly impacted, end users notice and respond.  This type of issue is going to further deter proper patching and vulnerability management.

https://www.darkreading.com/endpoint/microsoft-confirms-windows-performance-hits-with-meltdown-spectre-patches/d/d-id/1330778