Agent smiths differ from the other Agents

[cloudwolf]

Hell, if they wanted, they could shut down all of the life support and all of the young/weak would die quickly, and they wouldn't have to spend nearly as many resources on the wipe.

This is exactly Smith's interest. Provide a better solution to the cycle and get out of The Matrix. Who knows how it would've actually worked out for him but I think that was his intent.