[awkward]

The advice is all good. For the specific examples, claims with a lot of concrete numbers should be handled carefully. Unsophisticated users can bounce off numbers rather than content. Sophisticated users might care about the numbers, but are able to recognize spin - 200x speedups are clearly a bugfix rather than an innovative new algorithm.

Of course, if the statistic is actually core part of the product or a competitive differentiator, it should absolutely be highlighted.