Why do my pears have brown spots?
Also asked, can you eat pears with brown spots?
As you note, the lesions do not prevent consumption of the fruit. Just peel and eat unless the infection gets so bad that the fruit cracks or becomes misshapen and secondary rot organisms destroy it.
Just so, why do pears get brown spots?
Fabraea leaf spot, also known as leaf blight and black spot, is caused by the fungus Fabraea maculata. Fabraea leaf spot attacks leaves, fruit, and twigs of pear. Symptoms first appear as brown to black spots on the leaves. Heavily infected leaves often yellow and drop prematurely.
Waiting too long to eat grapes after they've been harvested will obviously lead to a brown discoloration of the fruit, but having grapes turn brown and rot while on the vine hardly seems fair. But as far as diseases and insects are concerned, all is fair when it comes to survival.