BOD Motive?, page-12

That's not quite correct, the directors do intend selling into the scheme. From the announcement:-

Subject to the Independent Expert determining that the Scheme is in the best interests of ResApp shareholders, and in the absence of a superior proposal, the Directors of ResApp unanimously recommend that ResApp shareholders vote in favour of the Scheme and intend to vote shares in their control in favour of the proposed Scheme.
​

Let's also not lose sight of the fact that the "independent expert" is selected by RAP.