Hi i made the observation. i learned this while at a local shop and seeing the replacment part as well as talking to the owner of a bcx who replaced it and i also flew his bcx. i checked my manual just to make sure when i got home from the shop. if the coupler for fly bar is glued or not doesnt seem to be the cause of its failure in my opinion/its the fact that the bcx is crashed and the part fails from impact. i witnessed this in the hobby shop since the owner crashed it again after a couple minutes or so of flight and broke the same part which hadnt been glued. this isnt exactly a controlled test but showed glued or unglued this part can fail when there is crash. i would also like to state if the part that is failing is due to a crash or from the heli falling from a table etc its not a warranty issue. something else to consider is if this part is made more rugged then it will generate more force to another component possibly creating more overall damage. im sure horizon is doing there best to address customer concerns.