Don't mind the 1/1 redemption for the No. 1 sig, myself. Just seems to be one of 130 sigs of that particular player, to me. The redemption card merely sets apart the 'No. 1', which has not been previously available, as everyone is well aware, and in my short time collecting footy cards since being young, this is the greatest step forward in my opinion. This has also been probably the biggest factor in me buying multiple boxes on more than one occasion for the first time - the draw of getting that No. 1. (any No. 1 really, although the Mannah would have been superb)
This also has some other benefits:
1. reduces the risk that the No. 1 sig is one of those cards inserted into the front of the pack, which more often than not sustains some damage, entailing the process of having the card replaced.
2. allows the completionist collector to keep a card (the redemption card) with the remainder of the signed set, if they keep/display those cards together as a subset - as opposed to having a blank space there.
3. has the obvious benefit of also getting a signed/framed jersey (for most)
What I really don't like, however, is the multiple parallel sets, period. One parallel set in each release is more than sufficient for mine.