This is not really true. Generally speaking, at the grossest level of averaging, regularly eating 2 meals instead of 3 or 1 meal instead of 2 results in a long term net reduction of calories.

Additionally your stomach shrinks under this regime - that one meal will definitely make you feel full and satiated.

All this goes into ease of adherence - I just don't have to think about it. I eat as much as I want for dinner each day and have dropped a steady 10lb/year for the last 5 years.

It takes less to feel full, that's the "magic".