Free demo definitely can appeal more new players, as far as I see in DCS and BOS group, the new player tend think BOS is more expensive than DCS, though BOS is of course much cheaper than DCS. However, the free demo make them feel they can play fly sim free, although most of them will buy bunch of DCS models. Why player tend to buy DCS mods even it is much expensive? Because they have played on demo and start learn and like fly sim and that lead to purchase. On the contrary, BOS has caused a lot of question from potential players cos they didnt know it.