Oh, I didn't want to talk about technology. What I meant, just because good people leave a company, doesn't mean that there are new openings for lesser skilled people.
Just like good people flocking to a company don't necessarily diminish the company's appetite for hiring lesser skilled people, it might even make hiring `minions' for the `rockstars' more attractive, if they are complementary.
But this is how rockstars are made. You hire in as a minion, you work hard, learn everything you can, and after a few years you can leave a rockstar. I doubled my salary each time I moved for the first three development jobs.
Just like good people flocking to a company don't necessarily diminish the company's appetite for hiring lesser skilled people, it might even make hiring `minions' for the `rockstars' more attractive, if they are complementary.