I feel with his supposed dislike towards the Uchiha Clan and his willingness to do ANYTHING to protect Konoha eg Edo Tensei he should be more like Danzo. Controlling Konoha from behind the stands.
Again, he was kinda bad at decision making. This was shown when he did Edo Tensei despite Hashirama's warnings. A jutsu which has caused this war to be so sinister.
His bad decision making was also shown when he created the Police Task Force which later almost caused an attempted coup against the village.
PS: Don't get me wrong. I LOVED Tobirama in the last manga! Though I didn't like the way he regarded the Uchiha I loved his general persona and kinda liked the way he silenced Hashirama.