Not a straw man if you look at the spirit of the argument.
"Ignore the stated argument, discuss my weaker mischaracterization of it instead."
Spirit of that previous parent message was that “never ever contaminated” is not a realistic option.
Yes op stretched that to molecules, but exactly same argument applies to seeds.
I guess you forbid any kind of hyperbole in 50m radius.
In restaurants, little pieces from the metal pot scrubbing pads tend to be a constant problem. But this represents a cost choice: more expensive scrubbing solutions are available.