Its a better form of money, works better than bank transfers without needing anyones approval. Demand will only keep growing as more people have problems with banks. Bitcoin will always be 21 million, scarce and finite unlike any other currency in existence.
Correct if there was no inflation there would be no need for bitcoin or gold or any market for any commodities. Bitcoin is a solution to a manmade problem, and the reason its a threat to tradfi is because it cant be controlled