That's not debt. Those are working configurations on a fully supported web server with active development. There is zero reason to change them.
Surely this decade they've squashed the last bugs that nginx or anything newer won't have...
But Apache is not a legacy system and still a completely valid choice, next to alternatives like nginx and caddy that have their own advantages and disadvantages. There is no reason to swap Apache out by default, apart from maybe sometimes in specific situations.