DCA Strategy is the best Bitcoin investment strategy of all time, for those who are new to Bitcoin investment, DCA strategy will undoubtedly be a right investment decision.
DCA strategy is good for investment in any good asset because with good asset, it grows in adoption and rises in value and price. So by DCA, you increase your capital investment in that good asset with time, and despite of market ups and downs, bull and bear markets, you will gain net profit with time.
Oppositely, if you invest in a bad asset, DCA is not good, and DCA more means you stuck more with that bad asset and at the end, you have loss or big loss. However, it's fortunately that it is not responsible of DCA strategy, it's yours by picking a bad and low quality, zero value asset for your investment.
They are just over expecting to much on that strategy and I guess that actually doesn't inspire newbies since for sure they would never know that strategy exist at early part of their participation on bitcoin investment.
They have to do due diligent research before starting or continue their researching for improve their knowledge. By searching I believe that they will be given DCA as one of best methods for their investment but whether they believe in the advice, it's another story.
DCA is traditionally buying regulary and don't care about price, but experienced people who have enough capital for accumulation, can apply Smart DCA strategy which is not for newbies.