And free market capitalism also supports competition - if there's a company that can do it for less, there will be, because people will spend less if they can.
I'd say it depends on the person. I'm sure there are some that would majorly change the course of history and then some that would get killed within an hour
Massive exchanges - you're free not to use one, there are so many ways to get around using the biggest
Massive speculation - the established cryptos (btc, eth) are alright in that regard nowadays, still far from stocks of course, but it's gonna get better over time
Money laundering - there have been countless reports that cash is used for the absolute majority of money laundering, not crypto
Ponzi schemes - they exist everywhere, and it's not that hard to not fall for one, just stick to btc and eth
GPU shortages - growing pains, has largely been fixed, shouldn't happen again
You're just picking out the worst points you can, I suggest you look at things more objectively, life's better that way
That's a super young market by airline standards, still settling in. Not comparable