Because they're too lazy to fix it? I don't know. But don't worry, it doesn't work for me either most of the times. Awful.

I don't know! I have the same problem :( But if you want to learn spanish I can teach what I know on skype. Like you, I speak perfectly french (It's my native language) and I speak very well English, but I think I can still improve it a lot :) So if you want to learn the basics in spanish or just practice our english on skype, let me know!

not　depend　on　parson's　character　but　the　internet environment.

idk but one day mine just started working... it was weird

How am I supposed to message them Craig? Does it work for you by the way?