Originally Posted by Due

Some people make a lot more than they spend, rather than having USD sitting on the account, or paying extra costs to exchange the money to another currency (banks usually buy at LOW or medium bid and sell for HIGH bid), it is more suitable to be paid in EUR as it keep it's value.
Not to mention most EU people pay or are able to pay their normal costs in EUR.
The USD is extremely bad at the moment, and will probably not get better during the next 2 years, so it's not really worth it to invest in dollars with todays market, even US people can get the interest of their life if they exchange their US savings to a EUR savings with no interest, simply since the dollar continues to go down, you would be able to exchange it back to USD in a year, and you would have made 30% or so