You are right when new projects issue whitepapers and road maps, they have ideas and products they want to create and they will offer investors.
ideas and products are my main concern, I have seen many projects with the same idea, almost 1,000 altcoins and this is an important choice for new investors.
The experience of doing research by seeing team members and understanding the products they make for the long term is a good solution.
I like new coins with new products that always combine crypto for every idea from developers who want to advance the industry in the crypto world