That's a good point rajul.
I got to thinking about it and noticed that there seems to be different types of CA hinges. I honestly thought they were all the same. The hinges I've seen fail came in a card and you cut them out yourself. These did seem a little thicker than hinges I've used on other models.
I guess it depends on what kind of material it is. Only way to know is to test it. I found an old modeltech construction manual laying around, and in that manual it did recommend using Vaseline or something on the bending portion of the hinge to insulate it from the glue. It also suggested epoxy as the preferred glue, not CA. The hinges looked like any other CA hinges I've seen...very odd. I haven't seen those instructions in any other kit manuals. Either way, as stated above and thorough pre-flight check is the best solution.