This certainly is a massive step forward! It takes a lot to tackle spam. The effort by @minnowbooster team to curb bot abuse instills new hope in the platform and its ecosystem. The discussion surrounding upvote bots abuse unanimously demands actions to prevent bot abuse by spammers and plagiarists.
The introduction of spam detector is a massive step forward! Well done @reggaemuffin and all the team behind MinnowBooster!