Wirral 100 haven’t folded, just not running any race meetings. Lack of entries , riders not paying or promising to pay on day and not turning up because it was raining. They lost money on the meetings they ran this year and cannot subsidise another year. When I raced in the 60/70s entry forms had to be returned the day you got them with a postal order and a stamped addressed envelope and even then you might only get a reserve ride. Many prefer to do track days instead of racing.