My gut feeling is that the higher order bits are not age, but rather unfamiliarity with technology and inability to adapt to changing technology. It just so ha

My gut feeling is that the higher order bits are not age, but rather unfamiliarity with technology and inability to adapt to changing technology. It just so happens that these two things tend to correlate with age. I don’t think 55 is anywhere near the age where a decline in mental acuity would typically start hampering adaptation, and the cutoff age for “familiar with technology and able to adapt to new tech” is probably rising as gen Xers age.