Individual machines within the datacenter may be getting hit. But those machines are (should be) isolated from each other (or from other orgs). So imagine com

Individual machines within the datacenter may be getting hit. But those machines are (should be) isolated from each other (or from other orgs). So imagine company A has a cabinet full of machines. The fact that company B has a cabinet full of machines in the same building doesn't make it more likely that it gets infected.