Is it not more likely that there have been more complaints regarding T-Mobile because their customers are more apt to notice these things? Squeaky wheels get gr

Is it not more likely that there have been more complaints regarding T-Mobile because their customers are more apt to notice these things? Squeaky wheels get greased and the people who have signed up for T-Mobile are all holding oil cans. After all, they switched under the assumption that they could get away from hidden charges.