In case someone doesn´t see how the actual rule can be abused and is abused, please check Game 11332819Game 11328764Game 11332881
If you don´t see which kind of advantage you get when you "just" miss turn 18 & 19 but not deadbeat, pm Kaskavel or mc, they will be able to explain you how you can get a great to chance to win a game you would lose otherwise, by taking advantage of missed turns. Only in case they refuse to explain, pm me.
That said, i support the change of rule Ace Rimmer suggests. About intentionally missed turns i will try to make a suggestion too if i find a good solution. Might be difficult but seems to be needed.