The argument that “there are multiple explanations for her career renaissance — she just started to work with a new coach; she is finally healthy after dealing with injuries for a few years; she is taking her fitness and training more seriously than she did earlier in her career” are all diversions away from her clearly rebounded testosterone levels.
Indeed, I think that her apparent effort to win but without breaking the previous world record is an effort to play down the effects of her excessive T. The previous record is held by a notorious Soviet era doper.
No, we don’t need to sort athletes any further than we do now: male and female. That covers all but .01% of the population. The tiny intersex group should either be directed to the “open” division — the male division-or sent to the Paralympics for the intersex races.