(US) people can invest a part of their wages just to test . To find 1000$ can be "easy", but 10000$ is another level.
And 1000 is a "magical" number, or better 999.99  ;-)


As for Chinese people and the Yuan/RMB, take a look at the mass of BTC already exchanged/used in China.
BTCChina is already a huge place, and IMHO it's a battle for who is able to impose its will, and its parity change.

Graphically, see fiatleak.com