Also agree:
For the clan I am honoured to lead, the promotion of 'elder' is given to those trusted to war by following whichever co-leader or leader (typically sharing the load to co-leader now) is coordinating the attacks, stategey. They also are 'elder' if they do very well in clan games, and I know it is possible to select the games that can b done quickly and have it done in under 7 hours.

Not accepting constructive advice and blatently following the same attack strategy/attacking easier targets/poor base design/poor troop advancement doesn't lead to 'elder', and if 'elder' likely to be reduced to 'member'. Clan has the standard information in the biography of the clan, accessed in game.

We take a holistic view in the clan, do everything good is better than being excellent in one thing.