I'm not defending the comment you replied to, but the privacy vs. performance aspect of the browser landscape seems like a reasonable tangent to me. After all,

I'm not defending the comment you replied to, but the privacy vs. performance aspect of the browser landscape seems like a reasonable tangent to me. After all, it's not far fetched that improvements like this are partly motivated and funded by the prospect of funneling users into a browser built by a company that's thirsting for your data.