What reason does baker give for calling furnaces gloves and pliers incredibly stupid

As indicated by Baker, how does the breakdown of lifeless things influence people?

Baker calls gloves, heaters and pincers staggeringly inept in light of the fact that they could irritate man much more in the event that they utilized distinctive systems for opposing man.

For instance, a heater would madden somebody considerably more in the event that it disappeared than if it separated.