Once again I totally agree with that as you speak the developping step of the game, I've ever see that once in classical Era you may have enough tools to manage your yields.
I don't speak of bad starts but on some more harder civs to start than other.
When I did get a war-oriented civ (with adequate UA and UU) and start on Authority I was unable to maintain a sufficient army to correctly up my tree before rushing money givers (TR and Market), it's bad.
Not rushing the two techs required for 2 traderoutes and markets is an active choice you're making.
Again I'm not saying that you're not allowed to play however you want. My point is that if you start in a location without goldbased tiles, planning on going Authority or Progress, and building a lot of units/buildings you're going to have to do some adjustments, or suffer the science penalty from negative gold income.
There is a pretty big leap between being able to 'play however you want' and 'every choice is viable'.
Also, this is just a personal opinion but I'll mention it anyways, I don't believe that your civ-choice forces you into a specific policy-tree in ancient era. Picking tradition on progress and building a steady powerbase before doing a timing-attack with trebuchets is just as viable.
Just as that I don't really agree with the main G's point that civs going authority would need to start early wars, building up for a later attack is just as viable.
If I play on a Huge Map with few civs and huts, after some quick tests, I have no problem to do this in each case I'll got at least one of the next bonuses :
- My scout is tranformed in archer without terrain penalty. Ok I don't need an army, on warrior and the scout will destroy camps
- I get a faith bonus. Cool, I'll be able to choose my pantheon as I want.
- I get a production bonus. Yes! My shrine is up and my monument is half builded.
- I get 70 gold. Ok Let my buid some warriors, maintenance is ok.
- An so on
I've played games without finding any huts, or only finding bad ones, like maps and/or experience. And while that does slow you down, I really don't think it is enough to make or break a game. I mostly use the huts because I think they are interesting, and add some variety to the early-game.