The only relevant study linked in the article is https://www.thelancet.com/journals/lanepe/article/PIIS2666-7...
> Plant-sourced UPF contribution showed a positive association [with CVD risk]
The study is using an existing dataset on food recall. That doesn't necessarily the results are correct or incorrect, but it's lower on the pyramid of science quality. There is nothing else of substance in this BBC article.