Full article is interesting. It does not sound like they are interested, necessarily, in shutting down the game, though if they are denied a seat at the table aka profit sharing of some sort, then they very well may be able to go that route legally due to the patent issue.Some company is now claiming they have a patent on the formula used by NMS to create it's terrain.
Why No Man's Sky fans are worried about a patented Superformula Eurogamer.net
But overall, it sounds like they are interested in a dialogue, because Hello Games has implemented the formula in a way they were attempting to do so already, basically, and they'd like to exchange knowledge and get a piece of the pie.
If I was Hello Games, I'd probably have my lawyers in talks with their right now to make that happen.