I don't doubt you fishstick, but everything I've read in the last few days about lithium ion batteries says that repetitively draining you battery to empty will significantly shorten it's expected life.
Lithium Ion batteries should last between 300 and 700 cycles, depending on the design. Fully draining the battery marks one cycle. If you partially drain and then recharge the battery, that is not a cycle. It is something less than a cycle and it may take several days under those circumstances to equal one full charge/drain cycle.
However, the way that your phone sees your battery is based on the way that the battery sees itself. There is a small "chip" inside the battery which gauges the amount of power it has left. Each time you half drain and recharge the battery, it gets a little less accurate.
Based on that, the recommendations I have seen tell you to fully drain the battery in the beginning, and then about once a month to force it to recalibrate. This isn't like in the old days with battery memory, which was fatal. This is just your battery losing track of where its lower limit is.
Now I don't doubt that what you experienced was real, but I think you got all the benefit from your method by draining it down the first time, and that subsequent drains are doing more harm than good.