It's not obvious that attention is being diverted to obscuring information.

It makes it harder for me to build a mental image of the situation that he's describing. If it's harder than I will put less attention on the situation.

Here it's a subtle choice. But it points to a pattern. A common general piece of advice on telling stories which draw listeners attention is to provide a lot of adjectives to make it more easy for the audience to picture what you are describing.

The kind that most people don't put to practice when they hear it. Instead of describing the principle abstractly, I pointed to an example.

It takes effort to provide listeners with details. It's still one of the pure white hat strategies to getting peoples attention when you speak.

As far as the information being relevant, when I give someone recommendation about testosterone, the gender of the person I'm interacting with matters.

I have a good idea that more testosterone in males will help with given attention. I'm less certain, that trying to increase testosterone is a good strategy for females.