[nsilvestri]

"Trust" in this context means that you can be more certain that there is a real person with a certain level of time investment and legitimate intent behind the account. Compare that to an new account whose only purpose is to post an ad before getting banned.

Karma thresholds are highly effective spam filters.

[MayeulC]

> Karma thresholds are highly effective spam filters.

And that's the reason why a lot of sites sell high karma accounts, whether those were hijacked, or karma farmed farmed for that purpose. People can make quite a few bucks if they find an effective way to farm it.

[grawprog]

Not necessarily. There's a site I use with a star based karma system. A bunch of years ago there was a glitch in the site that led to a bunch of random members getting ridiculous amounts of stars.

People still ask questions about it to this day as to why there's random members with this.