No it's the magpie's creative and innovative use of human made objects to build a nest. The magpie has used the metal spikes put up to deter them from sitting on roof ledges and the like. They simply pick them off and use them as building materials and they use them for their quality strength.
It feels like an ironic commentary to how we humans attempt to control the environment and everyone who lives in it. We know magpies are intelligent, but maybe not to the point of sending us ironic messages.
Read the Washington post article>