I've had bikes with full fenders, great for the chain, FD, your face, and back in wet and dirty roads.
My mtn bike has a removable front fender made for suspension that works well and in the rear those flexible fender thingees, I use two, keeps crud off FD.
My other bike only has the rear fender on as I do like being able to e easily take off front wheel and pop bike into the back seat or trunk of my car. For me this is an advantage. Front fenders without the wheel on do get treated roughly with any packing and can make it a lot more difficult using the back seat of a car.
Touring, it's going to keep things cleaner. It's always good if possible to have as much clearance as possible, but toe strike needs to be watched for.