Maybe up until Junior Member at most. People could be white-listed or purchase a Copper Membership to bypass them also.

We can be more flexible by reducing the captcha requirement only for Newbies, if we want.

We already have a restriction for newbies, which is can not posting image. We can easily add the capcha requirement for them as well. Both can be lifted if they buy copper membership.

Also, since you're a staff member, do the staff actually have the time to manually verify thousands of accounts?