There is new mechanism in bitcointalk.org, now before posting you have to answer a very tough question and that tells your IQ level. I see it something as to stop people from commenting too much or you can comment too much if you are willing to answer too many tough questions correctly.
Is it something same like merit system
Thats only an event for april fools day. But some considering it to be added to prevent bots. But Im sure many complain will be rise from it. Of course a lot will surely not like it as it is a hindrance to easy posting probably most bounty hunter are gonna complain to it. But in a sense it will be helpful to avoid such spamming.
Like what most have mentioned, this is a yearly event made by theymos during April Fool's Day where he creates this sort of jokes/antics where the forum adds an additional spin to posting. Before, we had customize titles; now we got some IQ level questions being asked and it reflect your current IQ in the forum.
Like what
@Welsh also mentioned, I hope that this kind of questions be implemented in the forum as a form of educating everyone about cryptocurrencies. By posting some random and simple questions, beginners can participate and see the answers for their queries. I hope this kind of implementation will be soon adopted and be heavily considered by theymos.