I think it’s kinda natural to make progressions. Like, most start out with AVRs because that’s what Best Buy sells and that’s what they can afford when starting out, and many probably go through a couple over several years.
Then when ready to move move beyond that, an integrated is logical next step. That’s where I am now. Eventually I suspect next system in 15 yrs will be separates, probably tube. Then my final system 15 yrs after that will probably be back to integrated. Then 15 yrs later I’ll probably be dead ...