Every day we see dozens of new ICOs enter the market
Do you think this is useful for the market and to what degree?

firstly we must to understand that ICO is the fastest and trend way in this ERA for attracting people to invest in.
and almost 80% of them are using ICO just for doing fraud and scamming people. so if you ask ICO will usefull for Market I think is yes if It work on positive trend , because they can make a growth for Our Economic Sector.