Legitimately true, he wasn’t very popular at the 1960 election

JFK won the reported national popular vote by 112,827, a margin of 0.17 percent

Also very good for the next person

LBJ won the largest share of the popular vote for the Democratic Party in history at 61.1%. As of 2024, this remains the highest popular vote percentage of any candidate since the advent of widespread popular elections in 1824.