Losing 30k isn't your average Joe. Some people have made a fair bit in crypto markets. I'd say your typical crypto user is financially literate enough to realize that a promise of a >1.5% return a day on money is scam or Ponzi scheme.
Eh, it's very minimal time and effort requirements. It's mainly for people who want to get involved in Bitcoin/cryptocurrencies and either don't want to put their own money down or are unsure of how to get started. Either way, I've made about $16 in Bitcoin over the past month for literally...
If you're referring to the stock market I don't think anything can stop that freight train.
Although it would be wise to hedge your investments by buying volatility (UVXY) in case things do go south.
Websites earn revenue through advertising programs (such as Google AdSense). In order to incentivize people to visit their sites they offer programs that will give you a certain amount of cryptocurrencies in exchange for your page view. Visiting these 5 different sites several times a day can...