if it's decades, then its bad. But I don't think it will be.
This buildings value comes from the quality of the programming. If it does serves a meeting point, a hang out, and open door to the area and the huge entrepreneur scene here. I have been to the Venture Cafe and some of the incubators in Cambridge, half of it is about socializing and discussing. The other half is actually about the "innovation" and "entrepreneurs" most of which will fail. The scene itself is a huge part of it, and if this building supports the scene, opens it to more people, and is even a fraction as dynamic as the people it hopes to attract, it will serve its purpose.
This is a small building, built in place of a park or parking lot. It's a way to activate the space and serve as a gathering point and marketing tool for the area. It couldn't do this from a rented office floor in a building no one will ever go in without an ID badge. Then when the current craneless parking lots around it get built and filled out, this building will get plowed right down. Hopefully, it creates enough of a following that it fits into a new building, but for the meantime it serves a good use.