You'll notice that the author (me) didn't actually credit the invention of the computer to Turing's sexuality.

But it is an undeniable fact that he was gay.

If the British government had banned him from working at Bletchly Park because of that, would the computer still have been developed? Certainly he wasn't the only one working on it, but historians and computer scientists seem to agree that he was a key figure.

The health of a technical community depends on its ability to attract contributors from a wide variety of backgrounds.

We agree that the result of the work is what is important. I'm arguing that Stephen Hawking can't participate unless you install wheelchair ramps.