WDW is overwhelming right now, there’s no question about it. But I’ll say this: 99% of what we discuss in the Genie+ threads is NOT necessary to have a good time.
Just read the first post only in this thread and you’ll know the essentials. Admittedly, it’s still quite a bit, but it’s doable for someone who knows FPP - it’s essentially the same except paid and same-day booking only (instead of free and 3 pre booked passes).
I agree going during a low crowd time will be the best solution. Touring WDW requires a lot of patience and adapting your pace to what you can handle mentally, emotionally, physically, etc. It’s a vacation — it’s supposed to be fun! If it’s not, well … there are other ways to vacation.