Buggy graphics drivers are definitely a concern, not just for security but for stability. Specifically, graphics drivers crash. A lot. Simply moving GPU acce

Buggy graphics drivers are definitely a concern, not just for security but for stability. Specifically, graphics drivers crash. A lot. Simply moving GPU access to a separate process (which is common in modern browsers) means that a driver crash doesn't bring down any webpages, much less the whole browser; if done right you just get a flicker as the GPU process is restarted.