Actually, i mostly buy low market cap coins and hope they are hidden gems. I mostly end up finding obvious shitcoins instead hidden gems but if you find a good one, it is making huge profits.
Perhaps because of this, other projects do not have great opportunities for development, since most of the users of cryptocurrency do not want to take risks and therefore invest their money only in the highest-rated coins. As proof Today we see that if prices rise in the cryptocurrency market, then only on advanced coins.