Two fold: 1) there's no reason to think they wouldn't just introduce other attack vectors instead- and at least x86 and arm have a huge base of people looking a

Two fold: 1) there's no reason to think they wouldn't just introduce other attack vectors instead- and at least x86 and arm have a huge base of people looking at them 2) javascript doesn't statically compile well as such specialized hardware does not outperform x86/arm.