Pre nerf it was a great combo because of the high shatter damage, velocity, and range making it easy to hit heavy weapons. It could slow down charging ships and knock off the aim of snipers. It was an easy to use alternative to the lumberjack. It was a perfect combo to the right side hwatcha or carro because an optimal loadout for both is spanner mallet buff heavy clip. We considered it as an alternative to the Duck galleon.
I haven't tried the Minotaur post nerf but I'm skeptical that it has any real use. The lumberjack is a powerful albeit difficult weapon that can pop balloons and allow heavy flak to deal direct damage when shot at balloon. Due to the low range I don't think Minotaur can be reliably paired with hades and flak.