The answer to 'downspouts worn out' is that worn or damaged downspouts can cause water damage and other issues around your home. Common causes include age, corrosion, clogs, and physical damage. Symptoms include water leaks, overflowing gutters, and water pooling around the foundation. Solutions may involve cleaning, repairing, or replacing the downspouts.
For minor issues, you may be able to DIY the repairs. But for more extensive damage or if you're not comfortable working at heights, it's best to call in a professional roofing contractor. They can properly inspect the downspouts, gutters, and roof to identify and fix the root cause of the problem.