"Immensely powerful people should not be permitted to have secrets from the public anyway."
Of course they should. While Joe Biden really should take the test and let voters know the result, do you really want a daily bulletin on the state of Trump's piles or Bernie's constipation?
Joking aside, I've been concerned about the influence of tech companies for a few years. A few days ago I replied on an article warning about the efforts of Russia, China and Iran to rig the election.
My response was that in spite of what Hillary fans still claim, the influence of foreign governments was minimal in 2016, just as it was in the Brexit vote. Far more significant was the influence of a few Silicon Valley tech giants.
Few people understand the internet is a perfect tool for manipulationg opinion by either promoting or hiding certain shades of information.