You didn't have to think about this when you ran your code on your own chips; so it's your fault for backdooring the front end into the datacenter.
But now we have the 21st-century mainframe we like to call the cloud, where everything is shared. So I upload a container image with the vampire vuln intending to read all the activity on the host. Other customers jobs, the OS itself, even steal internal keys used at Amazon.
The motivation to do this kind of attack now is incalculable.