Shell is currently releasing pure death into the air and water (biggest oil spill 2010 - Barack Obama was a voted in president at this time ) and nestle charges for water use (flint water disaster 2014 - - Barack Obama was a voted in president at this time) baby formula was 1974 - (Richard Nixon ) and dupont released c8 into water supply in 1984. - (Ronald Reagan).
this could have been reversed any time in the past 60 years (even the last 15)
So Whatever your grandma voted for back in 1960 doesn’t matter. There were many voters and presidents since 1960.