Iam64, in regard to your above post @18:49 yesterday (20/12/19), please accept my apology for my delay in replying to your enquiry of me as our Christmas preparations got in the way. In that enquiry, I feel the reasons for changing the membership length criteria would always be in comparison with the election being held. As I have stated i am not a directly subscribed member of the Labour Party, but i am an affiliated member by way of my membership of the Unite Union.
With the Unite Union, the length of membership criteria for ballots is always reduced for Branch officer and workplace representative elections as those who will be voting will in the main personally know those standing for election by way of their work in the local branch or workplace.
By example to the above, it would be very difficult to inform someone who has been recruited into workplace union membership that three or four weeks after they had signed up to that membership they were not entitled to vote in the election of representatives many of whom they may by then know personally.
the same situation could well apply in the election of constituency or district Labour Party officers where those standing for office may be known to local activists some of who may be those who have recently joined the constituency or District party to assist in local or national elections.
However, the reverse to the above could apply when it comes to high office ballots such as the election of a General Secretary in a union or the Leadership of the Parliamentary Labour Party. In that, those standing for office are only personally known to those who are working in close proximity to them, while the vast majority of the electorate will only have knowledge of the candidates by way of the documentation they put out, by social media or by what they read in the national press.
In the above, those with a long length of membership would have a better knowledge of the candidates by way of internal newsletters etc or by simply being a member of any organisation brings greater awareness of how that organisation works and who in its higher echelons is the best, or would be the best in its operation.
Of Course, in any large election, especially in a political party, it is quite possible that large blocks of persons will join that party in the run-up to the ballot for the sole reason to "swing" the election in a political direction that they would desire. Allowing such new members to vote has to be judged against by allowing that new member vote in the election will weaken the voting powers of those who have been longstanding members of the organisation and especially that of the lay activists who always maintain the organisation of any union or party on a day to day basis often over a very long period of time.
The above i accept is "a conundrum" for on this occasion the Labour Party National Executive (NEC) to consider and adjudicate on. As i have stated earlier in this thread i would not wish to be any part of the body that has to make that decision for the crap will very much hit the proverbial fan whatever decision they make, if indeed the NEC do decide to trigger a leadership election on the sixth of January.
Well Iam64, the above is my view on the matter for what it is worth. Apologies if I am unable to reply further, but with twelve coming to us for Christmas there is much to do.