the trade - off small vs big UTXO's might no be so simple with a focus on coin control and privacy.
A little consolidation of 0.001 UTXO's: In an hyperbitcoinization scenario 0.005 BTC might be worth in FIAT ~ 5000$ so for every spend ( on average between 70 - 200 $) we'll get back big changes. Right now we can 1)mix those changes, 2)swap them or 3)keep reusing them linking tx by tx.
leaving aside 3); either mixing them again or swapping will involve higher fees, IMHO rather than having 0.001 BTC ready to be spent in a higher fees scenario.
ATM the best option might be a wide range of UTXO's with a thought at the supposed hyperbitconization price of BTC - FIAT denominated