Maybe yes, but then that's only market share lost to DirectX. I don't see the triple-A video game market shrinking anytime soon.
As for the Sandbox, Microsoft recently disabled GPU virtualization because, apparently, sandboxing a GPU is really difficult. For video games, that sandbox is not used in practice. You can access pretty much all the GPU memory that you want.
As for the different threat model, a video game tends to have a clear distributor. A website is more anonymous and, hence, inherently less trustworthy.
Maybe yes, but then that's only market share lost to DirectX. I don't see the triple-A video game market shrinking anytime soon.
As for the Sandbox, Microsoft recently disabled GPU virtualization because, apparently, sandboxing a GPU is really difficult. For video games, that sandbox is not used in practice. You can access pretty much all the GPU memory that you want.
As for the different threat model, a video game tends to have a clear distributor. A website is more anonymous and, hence, inherently less trustworthy.