"Shorting is not even possible for most altcoins."

Yes that's a good point you are right. And you want to know why that is? I always wondered why Binance doesn't allow margin trading but apparently the real reason is because it would make 51% attacks profitable. Because you could fairly easily 51% attack the smaller altcoins but there is simply not much money to be made with that because it creates a liquidity crash and the cyber criminals can't sell all their altcoins on the market at a good price. But if you can short then those things become profitable. That's the reason behind it.

"Yes, mutual funds are dinosaurs. We are in ETF era. Even a tech or Semicon ETF will probably perform 10-15% growth in a year. But a real-estate reits are good enough for 8-10% dividends in all sorts of market scenarios."

Not even mutual funds are underperformers. That reminds me of an advertisement i saw back in 2017 in the bull market while we where going parabolic. I don't remember the website it was on but they where saying something in the line of: "check out our amazing performance of the bitcoin trading bot. Up 400% this year." And when i did the math they actually underperformed a simple buy and hold strategy at that time.

What's then the point of paying fees for a trading bot that's even not better than what the market is doing. You could say this for 99% of wall street, they are like car salesman. I have been trading for a long time, you know how guys like goldman sachs call their clients? Clients are muppets, you have to sell the most complex product to the least sophisticated investor. That's how they make money.