The benefit is real, though it is a bit subjective.

It is the resteeming of articles.
It is beneficial to some and worthless to others.

If you do not think it is worth it - do not use the bot.
If you do not want to receive any more advertisment, you can mute the volunteer advertisment bots.

If you really think this is a scam - research it.
Check my payment history and my resteemed articles.

I deliver what was promised.