Not really, as captain - and apparently often is - the 'terminal objective' for many officers.Would more captains not result in more flag officers?
You build an organization to meet needs, not to create more of a certain rank. More captains equals more captain commands, that means a larger plant and support structure overall, which means more management at higher levels.
The reason that many modern naval officers push beyond that is that they are forced to retire if they don't.
No, that's absurd. The reason people want to get promoted to flag/general officer is that they are highly able, educated, accomplished, motivated (and competitive) people who want the challenge of applying their experience, abilities and ideas at higher levels, as well as the rewards and recognition of achieving something that very few of their peers will achieve. Which also means they are willing to take on very heavy and consequential responsibilities. One of the most irritating ideas that fans seemed to pick up after '80s Trek was that captain was the highest rank that mattered and that an admiral was kind of a loser in comparison.
Umm, yes we do. And even older.
A handful, but not significant numbers.
If captains are staying in grade 20 years, that's going to pass down to all the lower levels. If an average commander is in grade say 15 years, and the remainder of commanders who aren't going to be promoted stay where they're at and no one leaves early, it's hard to figure how there's not a large cohort of lieutenants and below with 30-plus years service. I'm just not convinced this would work as advertised; I would like to see a model of it.
Yes. If they're good at it then why not?Of course. But, is it believable for them to park in that space for 20-plus years?
So the commander who would also be good at it doesn't have to wait 20 years for a shot. We know what military organizations were like when people went 20 years between promotions, and it wasn't good.
No. We often see people staying in one position a long time, in Captain's position in particular.
In real life or on Star Trek? Just because that's what was done on the show doesn't mean it's believable. The implications of the proposed system are that the officer corps should skew older than shown.