The wealth tax initiative is drafted to be highly punitive by including large Roth IRAs and negating the benefits of complex trust structures typically used for tax avoidance. This makes it extremely difficult for wealthy individuals to escape its reach if passed.

The super-rich avoid capital gains taxes by borrowing against their appreciating assets instead of selling them. This allows them to fund their lifestyle tax-free. Since assets are only taxed upon sale, this deferral becomes permanent if they hold the assets until death, when the cost basis resets for heirs.

The wealthy build wealth by buying assets, borrowing against them tax-free for living expenses, and then passing the assets to heirs with a "stepped-up basis" upon death. This maneuver effectively eliminates capital gains taxes for the next generation.

A controversial feature of the proposed California billionaire tax is its retroactive application. The tax would affect anyone who was a billionaire resident at the start of the year, even if the law passes months later. This legal mechanism is designed to stop wealthy individuals from moving their assets out of state before the vote occurs.

California is on the verge of a massive tax revenue surge from upcoming IPOs of companies like SpaceX and OpenAI. However, a proposed wealth tax on illiquid assets is causing tech leaders to relocate, potentially costing the state the very economic boom it needs to balance its budget.

The strongest legal challenge against California's proposed wealth tax is its retroactive application, a concept with unfavorable case law at the federal Supreme Court level. A smarter, future version of the tax would likely set a future start date, making it much harder to challenge legally.

A capital gains tax exclusion for home sales, set in 1997 and not indexed to inflation, now traps seniors in large homes. Facing a substantial tax bill if they sell, many choose not to downsize. This prevents family-sized homes from entering the market, exacerbating the inventory shortage for younger generations.

The stated value of an estate tax exemption (e.g., $30 million) is misleading. An asset valued at $1 million when placed in an estate can appreciate tax-free for decades, potentially growing to hundreds of millions by the time it's inherited, all passing to heirs without being taxed.

The proposed wealth tax applies to illiquid assets. A founder of a highly-valued private AI startup could be deemed a 'billionaire' and face a massive tax bill on paper wealth, even if their company never exits or ultimately sells for a much lower price, creating a huge financial risk.