Torn gums may be fatal. For example, in a Boot - because if you can hear the crunching and cracking, it is already too late. Therefore: better fix before it's too late.
Regularly check the condition of the rubber sleeves
Unlike worn brake pads, unfortunately, one notices a torn axle boot only when the joint makes noise. Then it is usually too late for a good-and-most favorable solution. The balls are run dry and have "eaten". As far as the Dumb-run scenario. The attentive Same screwdriver recognizes the deficiency in regular check.