They have to.

There is to much evidence, you listed some good shit but there are plenty of other little things that have to make you think.

Area-51.......

Is there any particular reason why there is a 25 mile buffer zone, filled with ground sensors and hidden cameras and shit?

The people, that live in the nearest town of Area-51 claim to see strange floating lights in the sky occasionaly....

Either that or the goverment is testing some crazy shit