Yes ,cast and crew can keep it quiteI just recalled a similar ITV couple of years back . I was new to daily soaps and also shipping at that time . The entire fandom was shipping the leads. But not even one report or article ,speculation of the leads dating from any portal even we fans would die for it . But on the contrary there were so many articles that lead was dating one of the coactors who was not the FL of the show. The fandom was denying the ML was denying it saying they were close friends . On the ML birthday there were pics on Twitter of them
Together. Post that all the speculation turned true they were in a relationship all the while the requested the cast and crew to keep under wraps and got hitched . What i trying to say is the articles sometimes are partly correct and like the old saying there no smoke without fire .
Sorry for the long post