How? If bitcoin 10x in 4 years the value of those 1000 sats onchain will grow more than the growth in fees
The issue isn't that btc won't be worth more, the issue is how many sats does it take to get a transaction on-chain, and how big a proportion of the UTXO will that be.
Have a look at the Unchained report I linked, it goes into it in detail.
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But fees are denominated in bitcoin and have been stable in those terms for many years
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