> I don't want to work with people who give up because it takes them
> more than a few seconds to find information, or who evaluate a project
> based on the look of its web site.
This is a prejudice, in fact.
If we want to attract new users who can become contributors, we have to make the beginning and the initial steps as easy as we can.
You talk about "a few seconds" to find information but, when you are a noob, these searches can take hours or even days, because you don't know what is the term to search.
If the website is user-friendly, this type of "explorers" can quickly find all the information about this project, and even know new details that this person doesn't know about.
If the website looks "modern" (not necessarily following the latest hype, simply "elegant"), this explorer will think that the project is in active development and It feels attracted to continue researching about this.
If the website looks ugly and old, the explorer will think that the project is mostly dead, and doesn't take the effort to continue the research.
We have to leave the 90s ideas, and think as younger people thinks nowadays (It don't refers to think as a teenager, simply remove elitists ideas and prejudices about "who merit work in this project")