The source is Project Veritas. Why not go to their website and take a look? There have been a whole bunch of cases where they got Twitter staff on record to say damning things. And no, it's not out of context. The statements are in context and speak for themselves. You can watch the videos or listen to the recordings to hear it for yourself. If you want to argue this source isn't valid, you need to prove it, because the evidence is there.
https://www.projectveritas.com/news/twitter-senior-engineer-...
Twitter engineer: “Our jobs are at stake, he's a capitalist and we weren't really operating as capitalists, more like very socialist. Like we're all like commie as f*k.” ... “Twitter does not believe in free speech… Elon believes in free speech.”
https://www.projectveritas.com/news/twitter-executive-mocks-...
Twitter Lead Client Partner: “The rest of us who have been here believe in something that's good for the planet and not to give people free speech.” ... “People don’t know how to make a rational decision if you don’t put out -- correct things that are supposed to be out in the public, right?” ... “If we’re implementing all these rules…and Elon wants to dismantle them, then technically our ideology has led us to not making money because we’re not making money, and Elon wants to turn it the other way so that we can make money,”
https://www.projectveritas.com/news/undercover-video-twitter...
“if it was a pro-Trump thing and I’m anti-Trump… I banned his whole account… it’s at your discretion” ... Olinda Hassan, Policy Manager for Twitter Trust and Safety explains, “we’re trying to ‘down rank’… shitty people to not show up,” “we’re working [that] on right now”
Parnay Singh, Twitter Direct Messaging Engineer: “Yeah you look for Trump, or America, and you have like five thousand keywords to describe a redneck. Then you look and parse all the messages, all the pictures, and then you look for stuff that matches that stuff.” ... “the majority of it are for Republicans”