Investing in DCA method is a method of maximum savings, it is proven that the person who invests in this method has achieved great success. Because if the price of Bitcoin increases even if he invests regularly, the method controls the average price ratio. And while the price of Bitcoin is low, the average price controls two. So in whatever way you think this DCA method is the best, the more long-term Bitcoin holders there are, the more nearly everyone has had success using this method.
I do agree with you that the DCA method is a wonderful method of investing in Bitcoin that is suitable for both beginners and older investors. It is also a wonderful method for those with regular cashflow such as salaries even though those with other forms of cashflows can make projects and work out a way of also using the DCA method. These possibilities make the DCA method unique and great for all to use, allowing them the peace and comfort of not bothering about price movement, hypes and FOMO. So, I give it to the DCA method and will also encourage everyone struggling with being consistency to use it.
However, we should endeavor to remain within the confines of what DCA method is so we don't derail. For example, I do not think it is ideal to posit that the DCA method control the average price ratio, I don't even know what you mean by that statement. But I do know that the DCA method does not control the price of Bitcoin as it can be applied at any price printed by Bitcoin as at when the purchase is to be made. Although, at lower prices, the investors have more BTC and at higher prices, he gets less BTC and in the end the average price can be calculated for personal record keeping. If this is what you are referring to as average price ratio, then fine the investor can actually work it out to be able to know the profit factor of his entire Bitcoin portfolio.