No: The problem is directors who love mumbling, audio people who have no idea how to record and balance audio properly, and media players that can't or aren't configured to properly downmix audio tracks as appropriate.
It is absolutely possible and honestly standard fare to have properly balanced audio playing on the $1 tin cans found in TVs and laptops.
It is absolutely possible and honestly standard fare to have properly balanced audio playing on the $1 tin cans found in TVs and laptops.