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Plenty of ways to identify if the project is fake or not. Look for team record, their country origin, their vision for the coin, whitepaper, exchanges where they want to hold IEO, or how they willing to public the amount of fundraising for ICO,etc.
As you wrote, there are many ways of checking that could tell us that the project is a scam. Unfortunately, there is probably no way to be sure that the project is not a scam. All we can do is minimize the danger, but you can never be 100% sure that the project is safe.
I agree with both of you! There are plenty of ways to check if a project is fake or accurate! However, we never can be so sure! There is no 100% guarantee. All we can do is just to do good researches, it only help us reduces the risks. Since there is no way to eliminate the risk in this market, besides proper knowledge, skills and experience, we need one more thing - luck!