The truth of the matter is that just by the fact OBJ is a former member of the New York Giants makes that narrative false. Look at the scenario this way, no matter how you arrive at the market place, once you’re there, you’re shopping.
It matters not who called whom.
Since Odell Beckham has indeed been dealt to the Cleveland Browns, the need for pretense is gone. Beckham was shopped by the G-Men, hopefully to multiple teams, before a deal was consummated with Cleveland.
Interestingly enough, Matt Barrow, who covers the San Francisco 49ers for The Athletic, posted an excerpt from an interview with Niners general manager John Lynch and the New York Giants, presumably Dave Gettleman.