There were few users in 2010,Then the user started to grow slowly. now the increase in the number of users has become much more. The increase in the amount of spam is increased due to the increase of the user, Because of which everyone is dissatisfied. Now spammer is not finished with this. There are many problems in the future.Now, for a limited time, it would have been better to turn off a new account open and ban spammers. then again start open a new account system entirely.
See the following picture, how fast the user has emerged since 2010
In the year 2018, the user is overflow
See the following picture, how fast the user has emerged since 2010
In the year 2018, the user is overflow
I don't think ban for new users is a good idea since statistically in 10,000 accounts created someone will create an account only because he wants to actively participate in the forum.
The problem as usual is the bounty section, if you limit the bounty section to member + or jr with merit, a lot of spam will be removed as abusers will be no more able to join with 100+ accounts the same campaing like this one, he made 560 accounts only for abusing telegram / airdop campaing https://bitcointalk.org/index.php?topic=4759763.msg42989933#msg42989933