CSC,
Makes one seriously wonder about TOR. Here is another writeup ...
Is TOR safe to use?
https://tails.boum.org/forum/Who_carries_half_of_all_Tor_traffic__63____38_operators/ For most people Java is handy but a bad idea to enable. Your post seems to hold to the idea TOR is pretty well infiltrated by Feds.
I did notice that Firefox, the entire 17.n series was updated fairly quick. Someone knew/suspected the exploits or capability of. YMMV