Here's the video response from Ross Scott, who is leading the 'Stop Killing Games' campaign:
https://www.youtube.com/watch?v=cI2G4xLBVkY
In summary, the UK Department for Culture, Media and Sport responded to the petition once it reached 10k signatures. Their response suggests they did not understand the original request. They said they would not pursue a remedy for the issue and pointed those affected by it to the UK Competition and Market Authority. If the petition reaches 100k signatures before July 15, 2025 it will be considered for debate in Parliament.
Here is the actual petition, along with the UK's full response: