If they want to compete with intel and AMD on performance, they will have to include the same speculative out-of-order architecture. These bugs are actually not bugs in the sense that the hardware does something it shouldn't do. It's 100% to spec. The problem is the spec. AMD has less problems, but I'm not so sure this is only because they are more secure. I think there are more eyes looking for exploitts for intel CPUs than for AMD.