Why are some of the games on Let's Make A Deal impossible to win these days?

[Hawkee]

Every time I've watched Let's Make A Deal I noticed that every time they have certain games especially ones where contestants have to win a car I have noticed that the contestants only play for two or three chances then they take the money and so it tells me that the games are impossible to win. Take for instance whenever Let's Make A Deal has the game Race To The Finish there are few winners of the game and it seems that every contestant that plays Race To The Finish always gets zonked or gives up and takes the money. A second game that Let's Make A Deal plays a lot is Dice Duel and in that game it also seems to have few winners and it always seems that contestants always get zonked. And it tells me that Let's Make A Deal should try to improve these games to make them easier for contestants to win
Bestie