They proved that they can build products. That makes them very valuable to companies with more money than time. It's a significant career success, if perhaps not quite a business success. And we can congratulate them for that.
sure, if the product they made wasn't depended on by people. these kind of acquisitions seem to always leave the product customers in a lurch. and for that we don't have to congratulate them.
Assuming this was a smart acquisition by Dropbox, they'll be able to create more value now than they were before the acquisition. Unless you're arguing that the acquisition is actually wealth-destroying, it seems pretty selfish to oppose it.
unless I was one of the customers who's out a service I depended on.
I fully agree, may be the HackPad team wanted an exit and wanted to retire and spend all their earned money to live a hedonistic life. What's wrong with that?
It's like you worked hard, and then somebody pays you to stop trying.