Are racing on Wii so crappy ?

[spaccatutt]

Hello,
i was looking for some interesting racing games on Wii and i found some videos (made from the same user) :

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- Jeep Thrills : seems like a bad Excite Trucks clone

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- Offroad Extreme : a poor tentative to reply Motorstorm feeling on the Wii

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- Urban Extreme: Street Rage

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- Rig Racer 2 : this game is full of bugs, that's incredible !!!


So how it is possible PSP racing games are better than those products ?