Far more likely than 'abuse' (they could have just charged afterall) is probably Google's realization that they have an uncontested lead in machine translation

Far more likely than 'abuse' (they could have just charged afterall) is probably Google's realization that they have an uncontested lead in machine translation - and there is a lot of money to be made here.. They recently won a contract with the European patent office to machine translate patents for them...