This advice is very important , some investors have lost so much money on projects for investing without proper research. we have to know that in as much as anyone can invest it takes an investor who takes time to do research on a project to be a successful investor and makes profits.
Yes its important to do research before making investment in crypto, but then some scammers already know what investors look out for when doing research and try to make the project appealing in those aspects. Some even attend crypto conferences, do AMAs with popular influencers yet they have scam intentions.