But at any rate, we know that the magister's motivations were not simply the need to explore, academic curiosity, or even a wellness check for a god that hasn't been seen in a wile. It was to seize power, for the glory of their bloody-minded Old Gods and their own aggrandizement. We don't have to rely on the Chant, it came from the mouth of the Conductor of Silence himself.
And this is why one thing the Chant seems to get right, even if we don't know exactly what happened to the magisters in the Golden/Blackened City was Pride was their undoing. They wanted power for themselves. They were promised it, and they were willing to rob a god to get it.
I don't support the motivations of the Seven, but I don't think aspiring to power as such is bad. What matters is what you do to get it, and what you're going to do with it once you have it. There the Seven showed what they're like - in the thousands of human sacrifices, in the kind of world they would create were they successful, as evidenced by In Hushed Whispers. However, the Chantry tale glosses over that, the human sacrifices aren't even mentioned anywhere before they added to the Chant for WoTII. It's all about the supposed evil of the act of daring to go to a "forbidden" place, to forget that you're a person of lower order compared to a god. Well, I don't accept that kind of distinction. A god is nothing more but a being of immense power and not more or less deserving of its power than anyone else.
As for robbing a god, as I said, in order to see it that way you first have to believe there is one, and that the place you're going to go is his home. By doing this, however, you implicitly accept a specific ideology for which there is no independent evidence. From my point of view - and of anyone who lived at the time and didn't belong to the minority religion of the Maker - the Golden City was simply a place that was very hard to reach. *Of course* someone would attempt to reach it, and had anyone else done so, without triggering a world-wide disaster, that would have been hailed as a great achievement. Sure, the Seven took on more than they could handle and the world suffered for it. They're responsible for triggering the Blights. What they did, however, was not a "sin", it was an accident. You can blame them for having been reckless, which they probably were, given their egos, and call that the result of their pride with some justification, but the same action might've been attempted by someone else, with proper care and awareness of the possibility of failure.
Bottom line, as long as there are limitations, we will always try to overcome them. There lies virtue in such attempts, and no virtue in desisting if the reason for that is accepting a "lower station". Our history has brought us to the point where we don't accept lower and higher stations among men. Why should we stop at gods? I would object strongly to any experiment that involves, say, poking the sun, in my time. In five hundred years, who knows? Eventually we'll get there. There will always be dangerous borders to cross, and of course I wouldn't want the likes of the Seven to cross them first, but someone will. Eventually. And that's good. The Chantry tale says there's a border we shouldn't cross. It doesn't say we shouldn't cross it for the wrong reasons, it says we shouldn't cross it. Period. Because it's the Maker's domain. And there I disagree.
I don't know what others see when they consider the story of the Tower of Babel. I see people's heroic attempt at gaining control of their fate, and the god's reaction the wilful act of a jealous parent who doesn't want his children to grow up.