You are assuming that by the end of bitcoins final block mined the world would still be plagued by inflation… thats just not reality. No fiat currency could last that long (2140 is 114 years away and the average lifespan of fiat is 27 years). USD is long overdue. It’s in the last decade at the most given the current geopolitical situation.
More importantly, “in a free market, the natural state is deflation” (that’s a quote from
@Jeff Booth )
This points out the major flaw with Monero. By introducing a patch for inflation - you are assuming we are in a free market and copying the very mechanism of a fiat system. Using tail emission “security” is an excuse to debase on that false assumption.
If the network is valuable enough to be the world's settlement layer, it will be valuable enough to pay for its own security without debasing the holders.
That’s how a real free market functions. Based on time, energy and true scarcity. It’s a positive sum game where security increases as the network grows.