You would definitely have less zombie companies. In a deflationary world, there is no malinvestment because there is no credit to create an artificial boom.

An individual would have less units of currency, but due to the implicit deflationary nature of technology, your money will buy more stuff eventually.

What's the price of a calculator? It's practically 0 because most PCs and phones have it as a free app. Deflation is what true wealth looks like. You can do and buy more stuff today than a caveman can because technology has created real wealth, regardless of any monetary policy.

You're still thinking like a Keynesian. By that particular branch of economic logic, a person who breaks a shopkeeper's window has increased the demand for glass and repairmen, which is good for the economy (false).

Inflationary currency enables fake growth, deflationary currency encourages real growth.