Very very sad situation, but this ill-advised (for both sides) move was always going to end in tears. It’s not the club’s fault no CL qualified team wanted him in the summer. ETH looks to have treated him well. Staggeringly unprofessional behaviour from the player.
Surely he wouldn’t burn his bridges like this without having something lined up, though. I predict that after the WC he’ll announce he’s taking time off to be with family and then join an MLS team for next season. Miami would be right up his street and the US looks his best option because after this outburst no European manager would want to work with him. He’s not worth the risk.
He’d be much better off retiring IMO. He’s nowhere near the player he once was and at this point he’s just damaging his legacy. What a shame.