Precisely. Fighters (regardless of their archetype) are direct, overt force applied to a problem. Batman is anything but direct, overt force.
Kind of. Batman's greatest weapon is his mind, true. But he often engages in brute force and overt fear to solve his problems. (This is kind of all a tangent anyways, as people don't want the Fighter class to actually
be Batman; they are saying the acceptable level of "mundane" that they'd be willing to see.)
As for Batman applying direct force:[sblock]
Batman vs Red Hood (the second Robin, so someone fairly Batman-like himself). He sets Red Hood up at the start (trash can --> lasso). He pushes him off a building and falls with him onto another building, but lands it with no damage. He fights immensely well (especially at the end... "it's over!"), and is obviously capable of disarming (jacket) and dazing. When Red Hood starts to "fly" away, he's fast enough to go with him. He's obviously extremely athletic (better than anyone could be). His physical stats are obviously all great (he can even take a beating).
[ame=http://www.youtube.com/watch?v=Os3VkJzsCVg]Batman vs. Red Hood - YouTube[/ame]
In this clip, Batman and Nightwing (the first Robin, so someone fairly Batman-like himself) fight someone with superpowers. Batman takes him head on a few times, but is highly mobile (this is also good for a Fighter). He can dodge attacks well (good AC). He is, once again, amazingly athletic (jumping over the box cars when thrown). He's very perceptive. He sets up the bad guy for hits (boomerang shot). He knows where to fight. He can determine weak points, and exploit them.
[ame=http://www.youtube.com/watch?v=Q0xCVjJRhis]Batman & Nightwing vs Amazo - YouTube[/ame]
In this clip, Batman takes out of Beast of Apokolyps. How? Don't know. But we know he does, and that doesn't kill my suspension of disbelief.
[ame=http://www.youtube.com/watch?v=tBsI5gep2Dw&feature=relmfu]Batman vs the Beast of Apokolyps - YouTube[/ame][/sblock]
Batman bests most of his villains, even Killer Croc and Bane, using brute force. He does think on his feet, but giving the Fighter some Batman-level physical prowess is what was mentioned on the "mythic" front, not "make the Fighter exactly like Batman!" But, giving the Fighter some Batman-like traits (fear, athletics, knowledge of weak points, terrain exploits, reactive actions, set-up attacks, status effects, good AC, highly mobile, very perceptive, etc.) are good things to have.
Again, it's not "the Fighter should model Batman" completely. It's more along the lines of "the Fighter should physically be capable of what Batman is physically capable of."