I think the point we should be taking here is that Dandu wants to help the OP become proficient with the system (skills, feats, and class dipping) in order to maximize the effectiveness of a Ranger (as a front line combatant).
To this end, feats like Dodge and Whirlwind Attack are absolute horrible feats when considering any aspect of combat whatsoever, whereas feats like Power Attack not only open up additional feats, but is where quite a bit of damage comes from - making it a better combat choice for any front line combatant.
Arrowhawk seems to be arguing that, to be a Ranger, one must be a Ranger (not a Ranger/Rogue/Fighter), even though at it's very heart, the Ranger is a Fighter/Rogue with a forest feel and a splash of Druid.
What your build accomplishes is the effectiveness of your character - if you want to be a survivalist, sneaking, ambushing, Ranger type character - honestly, Ranger is probably not even a very good choice for you in terms of effectiveness. A Scout does every job a Ranger does, except better, at range and with skills - while a multitude of front line combatants do the better job in the fray.
And I -like- Rangers.
But the very heart of his argument is that RPGs are not all about stat blocks and dice rolls, but about immersive, interactive storytelling between the players and the DM, which I can absolutely agree with - and you don't have to be an optimized character build just to contribute to your party in a meaningful way. Hell, we got along just fine when it was just the PH, MM, and DMG - and there really wasn't much in the way of optimization there if you weren't a Druid or a Wizard.
However, the middle ground exists in that being an optimized character build does not inhibit your ability to be a part of a greater story, to have immersive fun with your friends, or to develop a rich, deep personality and background for a character.
Arrowhawk also seems to be trying to argue with Dandu, which - when examined very carefully, we can find enough evidence exists to suggest that it never works in the favour of anyone but Dandu.
And I -like- Dandu.