Also, it is non-linear. The amount of reserve cash you need as an individual human approaches a limit much faster than total wealth, so the portion of your assets which must remain exposed to inflation grows smaller as a fraction of the whole. This is our western legacy of aristocrats and landed gentry in a nut shell.

Also, when you have lots of assets, you can assume that lines of credit are available whenever you might ask for them. You are less likely to tap into emergency reserves, and may also set a lower target for those reserves if you know they only need to address the most dire scenario where you might have to abandon some of your augmented lifestyle.

Finally, with large wealth you have an opportunity to diversify into many independent assets and firewall them from one another, e.g. with limited liability structures. Having one of your investments implode is qualitatively different from having your whole wealth implode. This is the entire premise of VC investment and I would have thought obvious to this audience...