By reading the quality of your post, you are like a cave man with a club proving a point.
Yes, you might be a Manga geek, but you have to improve your reading comprehension, if that is, you understand what I'm saying. Yet again, don't get me wrong, I'm not insulting or mocking you intellectual capacity. Just saying that you're not good as you think.
Looking back at your post, it's loaded with incosistency and fallacies at the highest degree. I took the liberty to bold the sentences for you and rest of the members to see. Here are the following:
1.) It's stated that in the previous manga chapters that the 5 kages are nowhere in near the power of both hashirama and madara.
Now, you're talking about what Madara said about the strength of the current 5 kages compared to Hashirama. The comparison wasn't meant for Hiruzen. So this statement is invalid to evaluate the status quo "Hashirama - Hiruzen" comparison.
2.) It doesn't matter that he knows a ton of jutsu but do you think that he can use that all at hashirama? Probably all hokages after the invention of edo tensei knows how to disable it.
Let me cite one example; in Economics, a person with $100.00 has a greater purchasing power than a person with $1.00. In shinobi terms, the more jutsu who have learn the better. This applies to Hiruzen and his 1000 jutsus, if you know logic, Hiruzen for sure have mastered a Kage Level Medical and Healing Jutsu. Asking for proof about this is like asking me to open up your skull to see your brain.
All the Hokages who's knew how to diffuse the EDO Tensei..I think not. Most of the people, not only the Hokages, heard the story of this jutsu..nothing more.
3.) That's the point, no one attacked konoha because of the war! you should really know what you are saying my friend. They obeyed hiruzen because he was a hokage for damn sake! Use your common sense dude.
Nobody attacked Konoha because of the war... HELLO!!
Danzo simply obeyed Hiruzen because he was the Hokage... HELLO!!
All these boils down into one conclusion, Hiruzen Sarutobi is crazy strong.