I believe it has to do with the weight being set out further than it is supposed to be. It's like a lever on a fulcrum but making the lever longer sets the fulcrum back more adding more stress on the other end aka the bearings and such. The center of balance is all messed up.
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_^ ______________ ^
As this shows the one on the right would need more weight on the left to balance it out and since you don't have that on your car then things break instead.
(ignore the _____)
