How long ago was this and have the machines changed over the years? Because this ice cream machine always broken seems like anew phenomenon compared to my tenur

How long ago was this and have the machines changed over the years? Because this ice cream machine always broken seems like anew phenomenon compared to my tenure back around 97. I was there for about a year IIRC, other than cleaning the machine "making ice cream" was dumping the premixed liquid into the top two compartments.