paint sealants not only provide longer protection from environment elements like colour fading , dust resistantce, water resisitance, tree spa, birds droppings etc etc but also provide strong paint coating which resist to secratches.
here is evidence pics , this silver cultus treated by sealant end oct and recently a milkman banged in left side of doors while saving one dog , alongwith his yamaha and cooper cans fill with milk, though both doors are fully crushed and useless for even repair but still paint surface dont having any secratch
the good thing is dog is safe and sound 
