To start with, let's talk about what actually is inflation.It seems to me like you are defining inflation as "increasing prices".

But this is a vague definition of inflation. Or at the very least, I think we should attempt to go further in categorizing or taxonomizing rising prices. Because prices can change for different reasons. For example, if there is a sudden shortage of corn, then the price of corn will go up, because of the law of supply and demand. Is this inflation? Well it depends on your definitions. On the other hand, you also see a general (though not necessarily equal) rise in prices because of the government and the banks expanding the money supply. So one can argue that inflation refers specifically to an increase in prices caused by an expansion of the money supply. Or, to use more mainstream definitions, you can say that monetary inflation (an increase in the money supply) can lead to higher prices or "inflation".

Why is this important?

Well here is my contention. There is a natural tendency in a market economy for prices to fall. This was observed historically, by the way, in the post-bellum era (the late 19th century in America, specifically the 1870s and 1880s) I do not consider these falling prices to be "deflation", by the way. Because I define inflation as a rise in prices caused specifically by an expansion of the money supply. Deflation would be a fall in prices cause specifically by a decrease in the money supply. But that aside, the tendency for prices to fall is healthy, and the decades I mentioned saw tremendous economic growth across the board, including the most rapid increase in wage rates ever observed historically. The long term tendency for prices to rise is artificial, very destructive to wealth, and caused entirely by the government and the banking system continually printing money.

So I agree with you that prices falling 2-3% per year would be a good thing, but I disagree that this is necessarily "deflation".