Croque-glace: a bad bargain?

QMI asks whether the city’s expensive croque-glace machines were worth the price, given they can only work under specific conditions or else risk tearing up road and sidewalk surfaces. Note the heavy presence of Lionel Perez in this story. But it may be true that the city oughtn’t to have invested in a dozen of these gadgets before testing one in real world, real winter conditions.