this will not help. to maintain the status quo one can create multiple account and spread the stake formerly with just one account to multiple and have the exact same influence.
Although the witness voting logistic is certainly open to discussion and potential solutions, this IMHO is not a solution to reduce influence over these lists.
Thanks for replying, but I don't get that:
If I spread my SP to - for example - three accounts, every of these accounts has only a third of the SP of the original account. So if then every of these three accounts voted for ten witnesses, the vote for every single witness would be significantly weaker (than a vote of the original account).
This effect would be even stronger in case every single account could only vote for lets say five witnesses.