Trades post Keeper Deadline and Pre Draft

[nivshah]

This is also covered in this very similiarly named thread:

Trading after the Keeper Deadline but before the Auction Draft

We considered this question a bit on this Wishlist thread:

And in this Wishlist item:

Trade Kept Players between deadline and draft

I’d really like the ability to trade players I’ve kept post deadline and before the draft. What’s the rationale between locking rosters during this time?