GB News is forcing the BBC to change its output as its audience continues to grow, a major investor into the channel has stated. Mark Stoleson, the CEO of Legatum, an investment firm with interests in GB News, told The Telegraph that The People’s Channel is having a significant impact on the British media landscape. He admits that his company’s initial move to back GB News was a “bold” and “risky” one, but data suggesting “tens of millions” of Britons were feeling disenfranchised with media staples like the BBC made such a prospect too enticing to ignore. The BBC has now been forced to adapt a…