Earlier quoted context omitted.
1) One simple reason is if you're one of the millions of website owners who is not technical enough to install it manually. We hope to have the ability to go one step further for example and select from a set of themes to make it even easier to make a beautiful site. Another reason which relates to #4 is to make it easier to update versions in the future. We hope to build ways of testing those version changes to make…
Sorry, I don't understand your Bootstrap example. If I'm not technical to "install" BS (script/CSS tags and uploading files to a host) then I'm probably not technical enough to use Bootstrap's CSS/JS components by writing HTML or little JS snippets. What real benefit is the one-click install if that's (probably) the easiest part of using a JS/CSS library? Edit: It's not your Bootstrap example, it was the original que…
We can also help you to manage the version of Bootstrap you're using to make it easier to keep your site up-to-date.
Including Bootstrap now though is more of an example of the breadth of what can be included using Eager, rather than a specific suggestion. I agree that it's not particularly practical to include it directly in it's current form, but many of our other apps can be used directly with great success.
As much as I'd love to build something for developers by developers, the purpose of Eager right now is to help developers get their code to non-technical people. So the question might be not how to add Bootstrap to your site, but how can you build an Eager app on top of Bootstrap to make it accessible to others.