I'm currently revisiting Eggbeaters for my commute after various disappointments with both Time ATAC and Shimano SPD.

Other, more concrete, issues aside: is it plausible that regular Eggbeaters (not Candy or Mallet) would serve as a slight theft deterrent? I can imagine a would-be thief of opportunity looking at them and going "WTF, how do I ride off on these?" and passing by