Someone who auto-follows me based on a keyword search and posts only links is a spammer trying to raise the number of follow-backs they have and possibly promote their own site/content.
They don't add any meaningful value to Twitter - even the OP's 'curated links' aren't much value given that sites like HN exist and the actual real people I follow on Twitter will post interesting links themselves.
They don't add any meaningful value to Twitter - even the OP's 'curated links' aren't much value given that sites like HN exist and the actual real people I follow on Twitter will post interesting links themselves.