So why use them as examples?
US dollar isn't an investment, USD has value because its a currency, there is nothing more liquid in the world than USD cash, USD also has value as a form of accounting and medium of exchange, BTC doesn't.
Nobody holds BTC because "its decentralized" they hold BTC because they think its an investment and an investment that doesn't generates any sort of profit and has steep costs of maintenance is by definition a net loss, people who profit of BTC is because somebody lost money on it.
And no, other financial systems don't spend any sort of meaningful energy for transactions.
No man, its the fucking definition of money.
Something either is or isn't something, and to be money you need to fulfill three characteristics and one of those is to be used as a form of accounting or as a form of exchange, which BTC isn't neither.
No you are describing how some stuff ends up becoming money, but until it becomes money, its not money.
The fuck are you on about? gold and silver have been money for much longer before was used as a form of exchange "things were priced in gold" and as unit of account "contracts were made on gold" since history became a thing.
Silver too
Notice how loans, sales, purchases and rents were made in an established unit of silver weight.
You are probably confusing it with "pegged money" which is different.
If all currencies disappeared from the face of the world, would you be able to tell how much a BTC is worth in comparison to other items like cars, food or services? if i give you a random day can you honestly tell me how much something is worth in BTC?
Stocks generate dividends based on a company profit, Real Estate is tangible and has uses which can be used for profit and currencies were never meant to be an investment.
Indeed, they keep printing more and more dollars because the point of a fiat currency is precisely to work as a currency.
Buddy just because you don't understand the most basic functions of a currency is not my problem.