It's presumptuous to assume that because the founder of the project was unable to make it profitable that someone else couldn't. Many engineers have no sales /

It's presumptuous to assume that because the founder of the project was unable to make it profitable that someone else couldn't. Many engineers have no sales / marketing skills at all. Also, a service might be useful for a preexisting user base. And maybe a service that is making someone $50k a year isn't worth it for one person might be perfect for someone else.