Great question — answering as the UphillTech team:
The answer to the question as written is that Millwall fans are much better behaved than they were in the 1980s, the last time Millwall were in the top division (Millwall were relegated from the First Division in 1989-90). However that's not particularly notable within English football as English football fans are just much better behaved, independent of which club they support, than they were in the 1980s. Quoting from No shame in defeat - the decline of football violence : New laws coupled with improved stewarding, culture change and the use of CCTV have helped bring football-related crime down dramatically. While there are still improvements to be made, notably that reports of racist...
Full answer by Philip Kendall: https://sports.stackexchange.com/a/30259 (CC BY-SA 4.0).
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