DCA method is the most popular among the strategies for investing in crypto but it isn't perfect in a bull season. The most perfect outcome you will get if you do DCA in Bear market and hold it tightly. Then you may see a good result in a bull season.
I will not suggest a new user to do DCA in a bull market because they will survive if the market goes down and start a bear season.
So try to invest in kept to currency in bear market and do DCA. Otherwise you can be a short term trader in a bull market. And always do your own analysis before investing in any cryptocurrency.
DCA method can be done regardless of the situation either in bullrun or bear market. I think you mean it's better to use DCA method during bear market to maximize the total amount of crypto that will be accumulated from time to time. If you are looking for a chance to earn profit then you should do short term investment. The aim of DCA is to accumulate crypto from time to time which means you don't have to have a lot of capital to buy huge an of crypto and that's when you should use DCA strat.