A recent article by Rick in his Flip-Chart Fairy Tales reinforces the point about changing attitudes:
The Times publication of the numbers of lives lost as a result of the Johnson government's delays (where has The Thunderer been for the last month?) emphasisesd the fact that the countries which have been most successful in counteracting the virus are those which applied good old-fashioned public health measures. They did not wait for technology (though it helped when they had it, as in Singapore and South Korea) but just got on with the job. Nor did they write off old or already poorly people in pursuit of some long-term "herd immunity".