"It's not so much a support thing. It's more like a takeover thing," Mark Cuban said of the support that Donald Trump was getting from tech titans.Marc Piasecki via Getty Images; Richard Rodriguez via Getty Images; Spencer Platt via Getty ImagesMark Cuban has said Donald Trump's Silicon Valley backers seem to be taking over his campaign."Watching what's happening in Silicon Valley is insane," Cuban told Jon Stewart in an interview.He said the Silicon Valley backers wanted Trump to be the US's CEO, with them being his board of directors.The "Shark Tank" star Mark Cuban has a lot to say about the tech and business titans who are flocking to support former President Donald Trump."Watching what's happening in Silicon Valley is insane.