I have a 2013 Ford diesel with 42000 miles about half pulling my 12000 lb 5th wheel. Absolutely no problems, but yes the maintenance is more, but the power to me is worth it. That said the oil change interval is longer about 7000 to 8000 miles, about $150. The initial cost is more but take a look at the resale down the road. Also I get a honest 11mpg towing and 20 non towing.
I think that the people who have problems are out spoken about it versus the many people who have no problems. Happy owners tend not tp talk much.
Just my opinions.