We had registration Q&A such as:
- What color is green?
- Correct this sentence: He went their to through there ball over they're.
- What equals 1 + 1?
- And other such highly intellectual tests...
For this reason, the Q&A was changed to a single invitation code that cannot be answered simply by reading the question at registration. The invitation code is publicly published in the instructions mentioned at the top of this post. It is not different for each person. Anyone may share it and publish it anywhere. It can be quickly changed if learned by spambots.
We empathize and apologize for the inconvenience. Security comes at the expense of freedom. That's how it has always been and how it always will be until there is no such thing as criminal behavior. We feel this change is the minimum possible restriction that removes the threat but still leaves our members in control of their accounts without any admin interference.