The major rot really began with the Shatz and his false prophet Nathan from Gaza, but the basic principle of human idolatry seeped in.
So in an highly ironic way, the only movements within Judaism that are kosher are those that do not make a scene of of it: that is Reform and Conservative Judaism, and Religious Zionism.
Of course the great Litvak yeshivas do keep Torah the best, but they have also been infiltrated.
The best idea then is to learn Torah at home. And to be aware of this problem. There are more radical solutions also which do not seem practical. In any case, it is a sure bet that the more people make a show of keeping Torah, the more moral depraved they are.
Of course this is not news. Everyone already knows this that has any dealings with the religious. It is just that no one seems interested in documenting the events because they always feel they will get no sympathy. [And that is true.] So the majority just go on with their broken lives trying to make sense of it. No one seems able to express the simple truth. The religious world is the Sitra Achra. The show of keeping Torah is just a disguise..
[On the other hand the Na Nach people seem to be perfectly aware of the problem. The actual Litvak world is thankfully too busy learning and keeping Torah themselves to be too worried about what goes on outside of their circles. Still I find it necessary from time to time to mention this relatively ignored problem.]
[Not all revolutions are equal. It depends on what you revolt against. For example John Locke was for revolution when government tramples natural rights. When you have a government that is trying to bring back natural rights, that would not be acceptable to revolt. In terms of what I am dealing with in this essay, the idea would be after widespread abuse, it would be justified to have a kind of revolution--something along the lines of what the Na Nach people already do. To learn and keep Torah but have nothing to do with the Dark Side religious people.
In fact I might mention that the best learning partner I ever had in Gemara is a person that happens to be highly sympathetic towards the Na Nach people.