Best & most complete answer I've gotten yet. Thanks. No, I'm in a pretty active Guild. Leadership has by-and-large been great. I'm just now waiting for a response to my "Which & how much" question. The leadership is fine, but obviously can't be online 24/7. Thank you.
Guild Founders (those that sport a crown by their names) and
Guild Leaders (those that sport a * by their names) are both classes of leadership that are empowered to open higher levels of GE (levels 2 - 4). Yes, few are here 24/7, but the guild should be balanced with enough leadership to help on this task in a reasonable timeframe after GE opens (8am local server time).
Reasonable is subjective...of course.
If GE isn't a priority or even a mandatory interest in your guild, that premise may be more muted.