It looks like you are only counting for the scam project but you are not aware if there was a lot of successful icos.
It's better for you to visit this site
https://icodrops.com/ and look at the previous ico list and there was a bunch of successful icos. The future is still really bright.
Listed there is no longer an ICO project but an IEO project and this year I have not seen any successful projects holding an ICO all of whom chose to hold an IEO