Tantalum capacitors are not failure proof. Ask around about tantalum failures, usually someone has a memorable story about an old tantalum capacitor that short

Tantalum capacitors are not failure proof. Ask around about tantalum failures, usually someone has a memorable story about an old tantalum capacitor that shorted. If you buy quality electrolytics and don't store the machine in a humid shed/attic they are likely to outlast you.