There's some talk at the moment about the way episcopal candidates are selected. The current practice is largely the product of the 1983 Code, 'revising' the 1917 Code, and involves recommendations being sought from within the bishops themselves who prepare a list of suitable candidates for the local nunciature which, in turn, prepares a terna, a short list if you like, to submit to the Holy See. The suitable candidates, as determined by the local bishops, are scrutinised by a questionnaires collected from clerics and laity. I've never seen one of these questionnaires but I'm told they are quite lengthy and completed under the condition of complete secrecy.
But it hasn't always been this way. Before 1917 the groups producing lists of candidates extended beyond the episcopate. Certain ranks of priests within a region were able to produce lists for submission. Going back into the mists of time the laity may have had a greater direct say. Both possibilities were laid aside although the 'memories' of the earlier practices are enshrined in the liturgical rites. They were found impracticable, not because of any desire to disenfranchise, but, rather to avoid the unseemly campaigning that went on. So you'll excuse me if I feel slightly uneasy about the calls, from certain quarters, for the direct nomination, indeed election of bishops.
Maintaining the status quo however leaves us with two problems interconnected. (1) Effectively the selection of the candidates is left in the hands of the bishops. In a small pool they will naturally select candidates who fit their particular view so not to cause ripples. A 'safe pair of hands' I gather is the euphemism in use. (2) This means that candidates 'outside the box' (or 'circle' if you like) are not likely to even become known to the Holy Father, who makes the actual selection. Good men, who the faithful see as excellent possibilities, will never 'get a guernsey' let alone be captain of the team.
The Holy See, and specifically the Congregation for Bishops, does read it's mail and if the same name was to come up frequently there would be a chance of that name at least being considered. If anybody was to consider writing a letter it should be quite simple outlining the candidates history and qualifications. I'm told a 'bullet form' CV is quite digestible to the Roman stomach.