No, that is not something the petition aims to do, stated clearly in their FAQ, and I don't think I could arrive at that interpretation even without it. From the petition:
Specifically, the initiative seeks to prevent the remote disabling of videogames by the publishers, before providing reasonable means to continue functioning of said videogames without the involvement from the side of the publisher. The initiative does not seek to acquire ownership of said videogames, associated intellectual rights or monetization rights, neither does it expect the publisher to provide resources for the said videogame once they discontinue it while leaving it in a reasonably functional (playable) state.
And in the FAQ on the Stop Killing Games site:
Q: Aren't you asking companies to support games forever? Isn't that unrealistic?
A: No, we are not asking that at all. We are in favor of publishers ending support for a game whenever they choose. What we are asking for is that they implement an end-of-life plan to modify or patch the game so that it can run on customer systems with no further support from the company being necessary. We agree it is unrealistic to expect companies to support games indefinitely and do not advocate for that in any way. Additionally, there are already real-world examples of publishers ending support for online-only games in a responsible way, such as:
'Gran Turismo Sport' published by Sony
'Knockout City' published by Velan Studios
'Mega Man X DiVE' published by Capcom
'Scrolls / Caller's Bane' published by Mojang AB
'Duelyst' published by Bandai Namco Entertainment
etc.
