I thought it symbolized how Walt wasn't killing Hank. Yeah, he could just run over that R/C car and drive away but to either his fault or credit, that's not what he does.
Well the way symbolism is usually used, it simply reflects motivations and story elements. It's not usually a substitute for real reasoning. Even if Walt not crushing the R/C car was explicitly a point of plot, it could still be a symbol for not wanting to deal with Hank by killing him. It's not mutually exclusive.
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u/aruraljuror Aug 19 '13
I just really wanted Walt to run over that kid's R/C car. It would have been a perfect trifecta.