x86 did appear in one context where legacy compatibility is likely to have been a much smaller (or non issue?) and where (eg power consumption) efficiencies wou

x86 did appear in one context where legacy compatibility is likely to have been a much smaller (or non issue?) and where (eg power consumption) efficiencies would have been even more valuable - that’s on mobile running Android. The fact that a cleaned version wasn’t used would seem to support your hypothesis.