Sorry but that's just not true.
Spanish-Language Media Expansion Surges
During the last decade, the Spanish-language broadcast market has exploded. There were 342 Spanish-language television stations operating in the United States last year, up from 206 four years earlier. Two giants dominate the U.S. Spanish-language market:
http://www.forbes.com/business/2006/11/02/spanish-media-univision-biz-cx_1103oxford.html
It may have lessened the amount of ignorance and bigotry too...but from what is visible in forums like this, perhaps I'm wrong.
My point was simply that with each generation, English will replace their native language.