Hashirama was stated to be in possession of multiple biju at once. He distributed them, what if he didn't? What if he used them to aid him against EMS Madara? Oh wait, he didn't have to.
Saying they were tied is baseless. It's manga fact that even at his best, EMS Madara was taken down and left on life-support for the rest of his days, and Hashirama walked away from the fight. Furthermore, if they were equal, why did EMS Madara need to get Kurama, the most powerful biju besides obviously the Juubi, to help fight against Hashirama? Why did Hashirama still win?!
Saying that Kurama became a disadvantage to EMS Madara is also just an assumption. Obito's not the same as EMS Madara.
did they ever say he could use it in battle or as effectively as madara no there is no feats for that so no you can't use it as an argument.
And learn to read the battle was not short and what did minato specifically say that madara could not maintain the kyubi for long and if minato is right why would kyubbi not attack the man that brutally controlled him. That is speulation on my part but facts are facts madara and hashirama ended all their previous battles in ties.
If he was so above madara why didnt he kill him at a time of war, and no madara was on life support during his end of days he wasnt that way for his whole life otherwise he could not move or give his rinnegan to nagato the gedo mazo was even summoned at the end of his life not right after VOTE battle as seen here
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and as you can see here also he didn't seem to be on life support here as well
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why did madara need kyuubi is because he might have thought it would have put him over the top but it didnt and could have went not as exactly as he planned and all the other previous fights they had do matter as no one was a clear victor and that isnt baseless but very important
and hashirama didnt exactly walk away well he too must have been weakened significantly to die in a war but i don't know the exact details so its speculation but stop making u your own story and saying pointless stuff like madara was on life support as the result of the fight which is clearly not true