It's kinda cool and shows that there are real people behind corporations. Some folks with lots of $$$ say "I build this" (Zuck often says that), stealing the credit of accomplishment from small little people. While real small little people leave the note in history - "nope, it's us who put our souls into making this happen". Of course, Steve Jobs would ban this.
Oh please.
It's unlikely Jobs, having returned to an Apple in crisis, personally knew about some obscure ROM image, its location buried in secret assembly code. More likely, one of those "real people" removed it doing some cleanup.
Jobs routinely and publicly spoke about the amazing people who work for Apple. He spoke with Walt Mossberg about how important it is to build a great team and foster creativity.
while i firmly believe that profit is the theft of unpaid labor...
when it comes to meta salaries, the old Mad Men scene about getting personal recognition for work comes to mind: "that's what the money is for!"
You know I'm not a huge fan of Jobs, but I do think he was a lot more complicated than the pantomime villain he sometimes gets characterised as. On this particular topic he was, on the contrary, the progenitor of this:
https://www.folklore.org/Signing_Party.html
So no "of course" about it.
Note also that Microsoft had a "no easter eggs" policy starting in the early 2000s. It's not really a Jobs thing.