Inspired by
Beware of the new type of spam, hidden in the bounty proof of registration.
Just an idea, how about implementing a limited account access for brand new accounts.
Meaning they must reach total time logged in : x number of hours;
or a requirement to be invited(merit), before brand new accounts can write, post.
or limit their post to the beginners & help.
This is only a suggestion.
You are more or less describing newbie jail, which was discontinued years ago. You had to spend X amount of time in a special newbie section before you could do anything else.