OK, so I will state that a religion is judged on the degree of mysticism it promotes (which affects how many stupid rules and impediments to true fulfillment it can cause).
The Bible itself is flawed. Paul mistook Jesus' teachings literally, which is why there are so many inconsistencies found in that part of the Bible. Most of the Protestant denominations and independent Bible studying will lead to this level.
Then the early Catholic church handpicked the parts of the Bible that suited its agenda. That is what survives to this day. The King James version was an early attempt to assemble those books for the common people. Again, most Christian denominations are affected by this problem.
Now, where the witlesses come in. Starting with an already corrupt Bible, they further alter it to fit their own agenda. Then they take snippets out of context, and they have a Filthful and Disgraceful Slavebugger that interprets those snippets and manipulates them to fit their doctrines. Of course, they have to continually alter it to fit the "new light". Additionally, the witlesses tamper with the meanings of words in the English language so that they can prevent integrated thinking. In this way, they have won lawsuits. They also remain a threat to seize control of all assets and people on the planet, plunging mankind into the Second Dark Ages.
Now that is "all that bad", and worse.