Plenty of pyramid schemes lay on the back of some sort of product, knives or energy drinks or what have you. The existence of a product doesn't mean it isn't a scam
IPOs are regulated, so there isn't that much of a mess around them, and it's more difficult for people who shouldn't be investing to play that game. That's on purpose, and it came to be through some hard-learned lessons.
> If our monetary system was so good we wouldn't be in 19 trillion in debt
National / international debt is, first and foremost, a tool, and it doesn't work the same way the "regular" debt does.
> and cryptocurrencies would have no reason to be adopted
They still don't. They live as long as they get to be financial wild-west, where it's easy to get rich off fools.
> there is a reason why Bitcoin debuted in 2009 after the 2008 Recession...
Yes, because it was developed around then.
> When the government does bailouts and Quantitative Easing, this can be seen as a scam to some
Maybe, but then again taxes are seen as theft by some. We can talk about ideologies all day, but in the real world, the "traditional" system still remains somewhat suitable for running a technological civilization, whereas cryptocurrencies are not, and will not because they don't scale well.