Good first step, follow-on retaliation need to be applied to cause at least 10 times as much damage to Dutch owned business interests, at a minimum.
There should also be a scotched earth policy with regards to the key individuals involved. They should be added to the Pompeo list of economically cancelled individuals where any company that has any deals with them or their family members are subject to secondary sanctions by China.
You steal my horse? I rather kill it and leave you a stinking corpse to deal with it than give you the benefit of using it. Especially since I paid to save it in the first place.
Now, I should kill the your prize horse (ASML) by starving it of the rare earths it needs. I see no benefit in feeding your horse any more since you deliberately went out of your way to steal from me because of a third party.
Thinking of killing your prize pig (NXP) too.