Thatcher was in office at the time of Hillsborough. If you had a modicum of decency, you just retract your comment and your poor attempt at justifying it.
That’s poorly judged. That chant is very clearly associated to Hillsborough. It’s directed purely at Liverpool fans by rivals like United and has been condemned many times.
http://https://www.google.co.uk/amp/s/amp.theguardian.com/football/2012/sep/15/manchester-united-liverpool-victim-chants