Performance rigging equipment, like all machinery, requires inspection and maintenance.
Even with proper care moving parts will wear out. Lack of maintenance and inspections will only increase the likelihood of a component failure. Failures can be catastrophic, resulting in property damage, serious injuries or death. Assuming you have a limited equipment purchase budget, it makes sense that you would want to get the most out of your rigging system. Properly maintained equipment should give you trouble-free operation for many, many years.