It's a good point to make that something can be inert and non-toxic and still cause issues. And we indeed don't have the data yet to say for certain what the result is, however, what we can tell so far is that there are no overt issues; the article uses asbestos as an example, but we're pretty confident that the effect level isn't anything like that.

Personally it seems far more likely to me that globally observed health issues are caused by the proliferation of chemicals in everyday life that we know are definitely toxic. So IMHO an excellent plastic to blame if you need one is e.g. PVC (and also PTFE because OH BOY WHAT A SMART IDEA TO PUT THAT SHIT ON PANS WHAT COULD POSSIBLY GO WRONG I HAVE NO IDEA).

(This part made me laugh a little: "Microplastics are plastic fragments less than 5 millimeters in diameter, or about 0.2 inches, barely visible to the human eye. ")