The racist 'replacement theory' tied to the Buffalo shootings has increasingly become a right wing media rallying call
Notice the article/headine doesn't say "but some other guy said racism some other time so both sides".
Link to Media Matters.The conspiracy theory, which has roots in France and also targets Jewish people, has become a common far-right ideology and has been connected to multiple mass shootings carried out by white supremacists, including the 2018 Pittsburgh synagogue shooting, 2019 mosque shootings in Christchurch, New Zealand, and the 2019 shooting at a Walmart in El Paso, Texas.
Although the Buffalo attack is still under investigation, the references to replacement theory in the document and its echoes in right wing media show how a racist and anti-Semitic conspiracy has been mainstreamed. Its central ideas are now promoted not just by violent extremists, but by right wing media personalities like Fox News host Tucker Carlson.
"I mean, this is really ugly stuff, and it's really extremely similar to what is in this guy's manifest," said Matt Gertz, a senior fellow at Media Matters for America, a nonprofit media watchdog that has tracked the spread of replacement theory on Fox News.
Link to AP study.A nationwide study from The Associated Press-NORC Center released this month found that people who supported ideas central to the white supremacist conspiracy theory were far more likely to be viewers of Fox News and the far-right networks OANN and Newsmax than other news outlets.
Link to the NYTimes.According to a recent investigation by The New York Times, Carlson amplified the theory during more than 400 episodes of his Fox News show, "Tucker Carlson Tonight," which was the second-highest rated cable news show in the US in the first quarter of this year, according to Adweek.
If anyone is reading this who still wants to try "but some other person said racism some other time" they're more than welcome to find sources to back them up at least as good as those three I cited and linked. Failure to do so means your lack of defense can be summarily handwaved, and that you give permission to do so.