There is still 10 days left. Even though the stretch goals were met, you can still sign.
If you haven't already and you live in the EU (they will check), you can sign here: https://www.stopkillinggames.com/
We just hit 1.6M votes to "debate" a horrible law that's in the passing here in France (re-allowing cancerous anti pest substances and more), we should have aimed at the EU level instead!