It might be a ripoff, but my question to you is should that be illegal? The entirety of humanity is monkey see monkey do iteration on our previous ideas. It’s a dubious thing to litigate.
To add to that, no fan of either is going to confuse one for the other, so where’s the issue?
Higher end mobile processors could but it is a big jump in computational load, not just because of the increased processing power of the PS3, but also because it is quite architecturally different from traditional x86 CPUs.
This is why it’s kind of amazing how efficient RPCS3 is.