You're assuming ASI, and I am specifying feats in the context of replying to Zard, who uses feats and favors the most powerful feats in the game. Let's not play this shell game where in one thread a guy is talking about how powerful Great Weapon Master, Polearm Master, Sentinel, Resilient, etc. are on the one hand, and then pretending none of those exist and it's only an ASI on the other hand. Keeping it consistent, Zard believes in using feats, and the most powerful ones, and he's the one making the assessment that the Fighter is lagging behind. So in that context, we should be assuming the feats, not the ASI. And not the Actor feat - but the powerful ones. The ones we all acknowledge tend to be more powerful than an ASI for the same fighter-type. The ones that give an extra attack as a bonus action, or an extra attack as a reaction, or which do +10 damage every hit, or which incapacitate a foe, those feats.
My point was that at level 6, the fighter will have the powerful feat and an ASI. The barbarian, paladin, or ranger will have just the powerful feat. The fighter isn't the only class who can take powerful feats after all, and most PCs really only need 1 (sentinel for defenders, shield master for bonus action shoving, great weapon master for melee damage dealers, and crossbow expert for ranged damage dealers). After that one powerful feat, it is generally better to max out ones primary attack stat. If you do however desire two feats for your build, you are only two levels ahead of every other class. Not even because a human can get two feats by level 4. In essence, the fighters bonus feat doesn't represent the versatility of all the best feats in the game, but rather only a players second or 3rd best feat choice.