Earlier quoted context omitted.
It will stop, at some point. IT is still growing but we're reaching the point where IT workers are a decent percentage of all workers, so they are starting to become representative of the population at large. Larger and larger cohorts of IT workers are aging and recent graduates will stop being enough even for the top companies. Also, salaries are lower in general but I get the impression Europe is better in this reg…
I could probably go to the Web sites of at least a dozen successful IT companies, and go to the "Meet the Team" page. They are invariably a large group of smiling -young- faces. There may be one or two greyhairs in the picture, but a quick shufti of the "Leadership" page often shows them to be C-suite or Board. Yeah, I'm a cynic.
I see 35 year olds and think "that guy is just a kid"!