yes of course it is very necessary to avoid risk if we do not become someone who is choosy in ico then the level of risk of loss will increase, it would be better if you are hesitant in analyzing an ico to open a benchmark web from an ico and see there what is their ico rating good or not, if many web web bench give a positive response to ico, then it can be ascertained that ico is good but it does not rule out the possibility that ico will be a little problematic