I doubt many people will pay any attention to Reform policies - even if they are credulous enough to believe they are serious.
Reform will appeal to conservative voters (small c) who don't like immigrants or foreigners and a few sole traders who think they may get out of paying NI.
Mainly they will appeal to those who think the main parties don’t understand, respect or represent them - not only the ones who are nostalgic for an imperial myth.
I think this election will be more about gut feeling and less about manifesto promises than normal, and that goes double for Reform.