They can be very fussy about anything new. They can even be fussy about a new perch that is maybe a slightly different colour to one they already have. It might be that there is something different about this particular toy, even if he has had one before.
You can take it out and play with it yourself so he knows it isn't going to hurt him. Usually they come round in the end.
Somewhere in another universe, dear brother, you got saved.