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I don't think having pride in working for elite tech companies is narcissism. 
Some of these companies are producing incredible technology. I don't think it's right to make such sweeping generalizations as you're making in your comment. Your venom for them will only poison yourself.
The weird thing about tech companies in my experience is that the techies are a minority and even they have groups within groups. 
You get a few core people who know stuff. Like, really know how it’s put together in the 237th combo out of a possible 600 combinations and why it must be that combination. 
Then you get grunts like me who hack stuff. We’re pretty disposable. 
Then you get non-techies who manage and organise. Very disposable. 
Those groups can have very different outcomes in a contraction, but sometimes accountants (or owners….looking at you, Mr Musk) make hasty decisions and get them wrong. >

Being laid off sucks especially if it's your first time. You lose out on the relationships you created with your teams and colleagues. people who work for FAANGs tend to be high achievers and have built their identity around working at such highly esteemed companies. It's a blow to your ego to be one of the ones on the chopping block. 
Yes, their severance package might help alleviate a good portion of their stress, but we can't know the future. We don't know if the industry will further retract.  
I think some of them  have incredible severance packages especially if they've been with the company for a long time or were offered those extended stay bonuses to help transition important projects. I worry for the new hires or the people with visas. We can't know if these people are providing for elderly parents in addition to their nuclear family. 
I see why you might want to react with resentment. I see humans who went through something awful and I hope they find success. We don't need to act like crabs in a bucket just because they're the ones "on top." >

then their "ego" deserve to be cut down. a bunch of undeserved and entitled narcissists