That they were pointing out an obvious, which you doubled down on
Reads more like plants grow in dirt, which is bad. AND it has insects crawl all over them, which is bad.
Neither are true, anymore than water being wet is bad.
What is the article's point? It strings together a bunch of facts into a fact string. Everything causes cancer and it turns out microplastics cause cancer since they are a thing. They (might, correlation and causation) double the risk of heart attacks which is comparable to a lazy bloke having a desk job. Might be lazy blokes with desk jobs have more microwave dinners though so who knows if that is a real signal.