Although I haven't watched the video: Why should the mix matter? If the deal was deemed acceptable by the team and their investors, I assume it's because the terms left them comparatively better off. The fact is, they have tackled a need, out-executed others in a certain space, and achieved an exit strategy (nothing wrong with them not wanting to do forms forever). That is a success.

Not everything has to be Google-level transaction to be declared a success.