“Obama was elected twice with the two highest vote totals in US history. “
Highest number of votes not percentage. Big difference. He has NEVER polled above 50% of the population, and now languishes barely at 40%.
Obama won in 2008 with 52.86% and in 2012 with 51.01% of the voters.
What President has won more than 50% of the total population?
You can try to minimize Obama's victories, but he won overwhelmingly in votes and electoral votes. Not only the level of Reagan or LBJ, but significant nonetheless.