Useful as it may have been, there were times when Obama drew fire for it.

Another such breach of etiquette struck Trump himself as revolting.

So did Donald Trump.

Barack Obama waving, London 2024

He posted a video on hisInstagramaccount in which he pulled no punches.

“The people of India are going crazy that President Obama was constantly chewing gum!”

you might’t do it it’s disgusting!"

Donald Trump speaking frown arms spread

Many echoed Trump’s sentiment about gum-chewing being disgusting.

But one fan had a different take on the subject.

“I thought it was inappropriate.

Donald Trump smirking 2024 debate

[…] It was at a very big, important function.”

Of course, one could point out the old saying about people in glass houses.

Trump isn’t a gum-chewer, nor does he drink or smoke.

His former campaign manager Cory Lewandowski dished about his boss’s particular food quirks in his book.

Trump had another unique (and icky) habit.

Journalist Maggie Haberman shared withAxiosphotos showing two toilets with pieces of paper sunk at the bottom.

By contrast, a piece of gum is a lot less messy to dispose of.