As a frenchman I can say that it's a complicated situation, mostly because of Fernand Lopez. The mma scene is extremely young, yet Lopez's face is seen literrally in EVERYTHING related to the french MMA scene. He's a gym owner, head coach, manager, CEO of Ares, and co-host of the biggest french MMA podcast yet. His face is everywhere and he's very vocal about everything. Logically, when Gane loses in 2 min against Jones, evereybody's looking for someone to blame, and Lopez is the perfect man to be such, especially given his history with HW title shots.
IMO, it's a mix of everything. Lopez owning the biggest french MMA gym and being the biggest french manager, he logically has the biggest number of pro fighters under his wing, including really talented guys, and he can give them the fastest way to a UFC contract, but he might not be the best coach in term of improving your skillset. On the other side, Gane claimed by himself that he's not a Michael Jordan : he rather spends time with his family than train. He's really talented, yet doesn't have a champion's mindset.
About all the trashtalk, it's kinda legit because of the fight itself, but I really believe Jones will destroy Miocic,and it will make us forget a bit about Gane's defeat. And if at least all the hate can bring some fire into Cyril's heart to prove every hater wrong, then I'm good.