Buildawhale and booster have always been the shadiest bid bots to use.

If you want to use ethical bid bots that don't rob you, i would suggest using bots that cap losses, capping the potential loss means they have an ethical mindset.

Also you may want to try a new bot that I think is leading the way forward and they are called, Hive account@tipu they give a guaranteed 100 percent bid, based on your payment. You can tip yourself or tip posts you like.