What about someone use "receives 6 spam or offensive flags:−100" rule?
80472
What if six users conspire to nuke posts with spam flags?
123216
Massive spam users and spam entries despite triple layer protection
21602
Flagging Profiles for spammy content?
121760
Let mods see the names of the flaggers for chat offensive flags
13820
Spambots causing server crashes. How do I block them?
16012
Obscure the title and text when question is deleted by Community from spam/offensive flags
130850
Is it fair to penalize those who flag when their flag was accurate at the time of submission?
149065
Is there a way to report spam, or OT comments on Stack Exchange blogs?
107138
Overzealous spam filter triggers on Chinese characters in the "Help and Improvement" queue
30133
Will a moderator know if I flag them?
86728
What's the protocol for requesting a tag warning?
140480
Timestamps for spam and offensive flags not shown
109098
Inconsistent offensive/spam flag format on flagging summary page
13347
Flag post that is already in low quality review queue - any effect?
18896
How does comment voting and flagging work?
46743
Spam Profiles are getting my goat. Could we have better tools for mods to deal with profile spam?
38272
What Constitutes Spam?