What I find strange is that I can understand the issues you raise in urban areas, my sister in law lives in North Manchester and I feel very uncomfortable just being there, (people knock on her door daily offering stolen goods).
However, the Forest of Dean is a rural and somewhat isolated area, unaffected by immigration (except Bristolians looking for cheap housing!). Yet Reform have just totally wiped out both the Conservatives & Labour who ended up with zero seats.
In talking to my skittles team last night, the majority voted Reform based on immigration as the prime reason! “the Rumanians in the car wash and the Turkish kebab shop, barbers and tailor, which are a front for Syrian money laundering, because they’re all cash only”