Why the hell should they, most people understand english anyways. Portoguse language is only spoken by 200 million people anyways. English, french, spanish, chinese, arabic and russian are all languages bigger than portoguse.
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First of all, is
PORTUGUESE, not Portoguse. Second, you wrong about French language. Portuguese has more speakers in the world.
Most spoken Languages in the World (NATIVE speakers): 1. Mandarin -- 873 million
2. Hindi -- 370 million
3. Spanish -- 350 million (Language present in Skyrim)
4. English -- 340 million (...in Skyrim)
5. Arabic -- 206 million
6. PORTUGUESE -- 203 million native speakers
7. Bengali -- 196 million
8. Russian -- 145 million
9. Japanese -- 126 million (... in Skyrim)
10. German -- 101 million (... in Skyrim)
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18. French -- 67 million native speakers (... in Skyrim)
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20. Italian -- 61 million (... in Skyrim)
Most spoken Languages in the World (TOTAL speakers):1. Mandarin -- 1.051 billion
2. English -- 510 million
3. Hindi -- 490 million
4. Spanish -- 420 million
5. Russian -- 255 million
6. Arabic -- 230 to 255 million total speakers (est.)
7. German -- 229 million
8. Bengali -- 215 million
9. PORTUGUESE -- 213 million
10. French -- 130 million
11. Japanese -- 127 million
http://www.vistawide.com/languages/top_30_languages.htm