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High marginal tax rates in the post-war era were viable only because of a unified national sentiment and patriotic duty. Attempting similar policies in today's highly polarized society would fail, as the necessary social cohesion to prevent mass tax avoidance and capital flight is missing.

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Historically, citizens accepted exceptionally high tax rates when they felt a deep sense of patriotism and belief in their country's greatness. Eroding this national narrative makes unpopular but necessary fiscal policies nearly impossible to implement.

The US successfully used financial repression to pay down WWII debt because of a unique, unprecedented productivity boom and global economic dominance. Today, lacking these factors, applying the same strategy would crush the middle class instead of fostering growth, likely accelerating social unrest.

Contrary to common belief, Arthur Laffer asserts that historical data shows a clear pattern: every time the highest tax rates on top earners were raised, the government collected less tax revenue from them. The wealthy use legal means to avoid taxes, and economic activity declines, ultimately harming the broader economy.

Joe Lonsdale's willingness to pay a 90% tax is not an endorsement of high taxes but a recognition that a functioning, stable society is essential for wealth creation and preservation. The core frustration for the wealthy is not the tax rate itself, but paying for an incompetent government.

The belief that a thriving middle class naturally arises from capitalism is a myth. History shows it's a temporary anomaly created by deliberate post-WWII policies like 90%+ top income and inheritance taxes. Dismantling these policies causes society to revert to its historical norm: extreme inequality where a tiny elite owns everything.

The US tax system disproportionately penalizes high-income 'workhorses' (e.g., doctors, lawyers) who earn from labor. In contrast, the super-rich, who derive wealth from capital gains and have mobility, benefit from loopholes that result in dramatically lower effective tax rates.

The UK economy was in a death spiral with inflation nearing 25%. The government responded with reckless spending (up 35% in one year) and confiscatory taxes (up to 98% on investments), leading to a collapse in business confidence.

Proposing higher taxes on the wealthy is a futile gesture when the government's budget is fundamentally unbalanced. For every dollar of tax revenue, the government spends significantly more, meaning increased taxes can never close the gap created by deficit spending.

The high 91% top marginal tax rate in post-WWII America is often cited as a model for taxation. However, it was only socially acceptable due to intense wartime patriotism and proved economically inefficient, collecting less revenue per taxpayer than modern, lower rates.

Historically high marginal tax rates in the 1950s-70s were largely ineffective due to widespread loopholes and expense account abuse. Modern tax systems are more progressive primarily because they have been tightened, making it much harder for the wealthy to avoid taxes, rather than simply from headline rate increases.