So I hope he'll have time to plough through all the code. I wonder if he'll be on pagerduty
Considering he's the world's richest man and he's literally replying to customer feedback about the product on the product, yes, he probably is on pagerduty.
Any sense of loyalty was shattered by the abuse of power, the org knows that and won't be treating these re-hires as usual, the org will be forever suspicious so give them every reason to be suspicious while being legal. They done fucked.
There is something deeper here than just a mass layoff. I think it's something that starts with making Steve Jobs style "tantrums" acceptable followed by normalising bullying in workplaces all the way through "oh he's a genius billionaire - he MUST know what he's doing". Having money and past success does not mean you get a free pass at anything. If we keep accepting it, it will be ever more normalised.
That second sentence, those employees, should tell Musk and Twitter to go f-themselves. To be thrown away because the child billionaire paid too much and has to cut costs asap and then asked to come back because there's a knowledge or skills gap thwarting the pushing of new features is Twitter's problem not that of the employees fired/laid-off.