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I know what you mean but from my point of view, ICO is still profitable investment. As long as you have enough knowledge and check carefully about each ICO before investing, there is nothing much to worry about it.
that's right brother , op doesnt really know what his talking about . not all ico's are scam's because there are still worth it that can give you 100 percent return for your invested capital and from what i heard , majority of investor's said that ico's are still the best investment ever invented but the only downside is that they are too risky for an unexperienced person .
speaking of scammers , scammers are only normal and scammers didnt only exist on an ico but they are actually present on every single business as long as it involves money .