The issue has another angle: when taxes were 90%, people only lived forty years and paid taxes for a shorter time. In addition, they were not as numerous as we are, I think that if we do the calculations well it will show that now governments obtain more benefits in the long term, and that is the reason for the investment in medical care.That is kinda apples and oranges as for most of human history only reason taxes were even raised was to spend on military and miltary adjacent ,even if they were building roads or ports the primary function was for war , in past century or so that is not the case anymore .
Expenditure of your taxes on healthcare is magnitudes more useful to your every day life than paying for Raythen's stock buybacks.