The cards discussed have no annual fees. I realize you are thinking about the card which receives the points, but the change would be made to the terms of the cards that send the points and those are free.
I just googled Chase Sapphire Reserve rewards program and this is the language copied directly from a PDF file specifically for the Reserve:
Combine points with other Chase cards with Ultimate Rewards • You can move your points, but only to another Chase card with Ultimate Rewards belonging to you or one member of your household. • Go to chase.com/ultimaterewards, call the number on the back of your card or visit a Chase branch to move your points. • You can’t move points to another eligible card if either account is prohibited from earning or using points at the time you attempt to move the points. Transfer points to frequent travel programs
Being able to transfer points is a benefit of having a premium card, not the other way around. Of course there is nothing in this language that states it has to be a 1/1 transfer.