At some startups, the extra spending takes the form of aggressive marketing programs offering questionable returns. (kpcb.com)
But you asked what questionable returns, so I did the courteous thing and answered you. (theverge.com)
There's a difference between personal charity and the government extracting money through taxes for questionable return on investment (600 million for a non-functional website for example). (religion.blogs.cnn.com)