I think that article is a bit overdone.
It wan't one person who set the pill-free week.
And there is plenty of evidence to show that, at that time, women wanted the reassurance of a monthly 'period' and that the regimen was set in response to user consultation.
That was of course many decades ago, and arising at a time when hormonal control of the cycle was brand new. Now people are much more used to methods which suppress periods entirely and also the level of hormone in the pill is lower than it was at the time of introduction. Continuous taking of the old-style pills is quite a bit riskier than what it means with a modern one.