Yes it's normal and no it shouldn't be, mainly with how powerful the hardware is. Much like the OS performance in terms of UI draw is abysmal, stuttering, frame drops etc. It's unnaceptable with this level of hardware.
What's also unnaceptable is the amount of people here agreeing this is the reality and suggesting to not close apps? I swear I never seen so many people throwing themselves in front of incoming bullets for a company as I've seen for Apple. There's literally 0 people defending MS or Nvidia if there's a slight issue like a potential stuttering in Chrome that's acknowledged and being fixed, people just don't accept it and shouldn't accept it. Whereas here, people just let Apple roll over them and ask for more. I think this is one of the reasons why we'll never see macos as snappy and fluid in motion as Win11. Even though I prefer macOS.
Some of this could be MS rather than Apple. It's well-known that Office is much better optimized for Windows than MacOS. That's not surprising. MS probably co-develops Office and Windows so they run well together.
I have one benchmark I run (opening a large flle in Word). After adjusting for differences in processor speed between my Apple and Windows machines, I determined Word is >2x more performant on Windows than on a Mac, at least for this one easily quantified task.
Details:
Fully opening a large Word doc (by "fully open", I mean you are able to scroll to the end) takes a measurable amount of time. This is much more than merely the time it takes to read the data from the SSD. Rather, it's taking a long time because Word needs to fully process and format the document. I have a large Word reference document I use (277 pages, 220 MB). On my iMac, fully opening the document takes 34 s. On my PC laptop it's 20 s.
That means, at least for this one easily-measurable task, Word runs 34/20 => 70% faster on my i5-6600 laptop than on my i9-9900K Mac, when it should actually be running ≈30% slower (based on their relative SC Geekbench scores). Thus, adjusting for the difference in computer speeds, at least for this task, Word is 1.7 x 1.3 = 2.2 x as performant on Windows as on Mac OS.