Because they're difficult to learn, especially as an adult. Most people that take a foreign language course go to class once a week for 2 hours, this is not enough. You have a make it a part of your everyday life. I started learning spanish several years ago and wondered how long speaking like a semi illiterate child I could take. I've gotten better now, but I absolutely love the language and latin culture, so my motivation doesn't wane. For me, it's a life long journey.
I believe a lot of people would like to learn a second language, but once they realize it's a long row to hoe and just speaking english is easier, they throw in the towel.
I believe a lot of people would like to learn a second language, but once they realize it's a long row to hoe and just speaking english is easier, they throw in the towel.