Musk’s gesture has received mixed reactions from politicians and academics, with some likening it to a Nazi salute and others saying it was an accidental action made in the heat of his victory speech.

Reddit communities dedicated to PC gaming, Nintendo, and Destiny have decided to blacklist links to X (formerly Twitter) due to owner Elon Musk’s recent Nazi-like saluting at an inauguration rally for President Donald Trump as part of a growing movement by users of the social media site to distance themselves from the controversial billionaire.

Reddit communities from r/NBA to r/Christianity say they won’t allow links to the platform after Elon Musk’s gesture, which some interpreted as a Nazi-style salute.

A boycott of links to Mr. Musk’s social media platform spread on Reddit this week, after he made a gesture that some likened to a Nazi salute. Others worried about censorship.

After Musk sparked a wave of ire with back-to-back Nazi salutes at an Inauguration Day event in Washington, D.C., on Monday, the bans quickly swept across Reddit. Such a move is not unheard of — moderators can ban links to specific sites, meaning that posts and comments including X links are easy to block.

Musk then slapped his chest with his right hand, before flinging it diagonally upwards, palm face down. He turned around to audience members behind the podium, and repeated the gesture. “My heart goes out to you,

A gesture associated with the Nazis has a surprising history. But in Germany, there was little doubt about its meaning.