So..
I just did a quick google search.
"flight sim pedals" gives me a quick summary to go find a price for Logitech G Pedals as they're recommended for FS21.
$300.
https://www.jbhifi.com.au/products/logitech-g-flight-simulator-rudder-pedals
Then I did a quick google for "RTX 3090".
$3,300
https://www.mwave.com.au/graphics-cards/geforce-rtx-3090
Also, complaining about an additional "bug" that is purely caused by your lack of (relatively cheap) additional equipment to operate a study level product isn't valid.
The issue will automatically be resolved when you operate the product as designed.
A warning in the docs about a full suite of Human Interface Devices might be warranted but as the product is marketed as study level (and you clearly know that) one would assume you'd know how the real airframe operates mechanically in this regard and expect to be duly armed to operate the product in a study-level manner.