Especially with minified JS, how would you be sure, that you get a minified version of your actual code and not one, which does something else additionally, which you might not want?
Not saying, that running 700+ apps is better, just noting, that bundling as a service might not be a perfect solution either.
Not saying, that running 700+ apps is better, just noting, that bundling as a service might not be a perfect solution either.