Earlier quoted context omitted.
Does the divisibility of bitcoin make any difference? If they changed the protocol now and then so that the number of decimal places (currently 8) increased to 9, then 10, etc, would that be viewed as increasing the supply of bitcoins?
If Zimbabwe adding extra zeros before the decimal point to its money doesn't cure inflation, then Bitcoin adding extra zeros after the decimal point won't cure deflation.
Adding extra zeroes after the decimal point for money already in circulation leaves the total supply the 'same' but could also be viewed as increasing supply 10-fold, without disadvantaging anyone currently holding the currency.
Its never happened before, so I'm not sure many economists have thought about it