The problem is that they never describe what they want to do properly. If you search their OPs and replies, you'll notice that there's a communication issue. You may understand what they want from the title, but if you don't, there's nothing that is going to help you do.

For instance, take this thread as an example.


They drop two equations in which both of them should have the same result. Then, they conclude that r=r (?), s=s (?), z1 != z2 and they ask you to tell them how to gain x or k. Then, there're the syntactical errors. Even though that's not a reason for not helping someone, it makes it even harder to understand their process.