EU rules publishers cannot stop you reselling your downloaded games

[swiss]

Originally Posted by Al Schlageter

Whether Valve and EA will make changes to their websites to reflect the ruling remains to be seen.

Unlikely.
So far they are still not forced to make reselling of a single license possible if it's impossible due to the way of selling the product.
Selling your whole steam account, which is nothing but a collection of game licenses, should be legal.

That's the way I interpret it.