Reform will get less votes than in the polls, not more, and not equal, but less. The reason is some percentage of people will chicken out last minute and fall back to their tribal ways to try and keep labour/tories out locally. Now with 16/17 year olds voting that will bolster Labour more. Many will also vote Green and whatever Corbyns new party is. These would be much more aligned with Labour than Reform/Tories and could be brought into a coalition if needed.

Reform will likely fall afoul of the changes Keir is making to campaign financing.

Most people now regret Brexit too. Keir is probably going to get us back in.

You like this face? No? Well tough. You'll be seeing it regularly for the next decade at least.