I think what really stands out, is that Bamford already had dealings with Wrightbus prior to the problems this year.
https://tfl.gov.uk/info-for/media/press-...-toxic-air
According to one source... https://www.irishnews.com/news/2019/10/1...--1736870/
He left JCB in January after 14 years to set up another company called Ryse, which provides hydrogen refuelling to buses, and had already had links with Wrightbus, with their joint venture securing a 10-year contract from Transport for London to convert 20 buses to run on hydrogen.