Of course they do!
You are reducing your contribution to future plastic in the environment. We can argue over the extent of the difference this choice makes but to say it makes no difference is absurd.
> The idea that you as an individual can’t make choices that are better for the world is self-delusion. You choose not to make those choices because it is easier to blame someone else. And again, there’s nothing wrong with this.
—when your whole point is that there's something wrong with it?!
And it's mixed with unnecessarily confrontational language—"absurd", "self-delusion".