I think the first thing is his strength: Namikaze Minato, the fourth generation of Huo Ying, is considered by Jiraiya to be one of the perfect people with three forbearance; Kakashi said that no one can surpass him except Naruto; And the ultimate BOSS Uchihiro Shoko Asahara's words to the four generations can better highlight his strength: "It is worthy of being a golden flash." "It is worthy of the fire shadow of Konoha, which can actually hurt me, and it only takes one move to get Kyubi no Youko out of my control." In the Third World Endurance War, Watergate instantly killed 50 enemy ninjas. There is a saying in Yin Yan Village, "No matter how many people there are, it is better to run away when encountering the yellow flash of Konoha." Statement! The strength of four generations of Huo Ying lies in his unique stunt "Flying Raytheon", which belongs to the endurance of time and space, and can freely shuttle in any space on the premise of marking. When four generations of Huo Ying's opponents are marked, it means that the opponent's life is coming to an end. Four generations of Huo Ying is a legend ... When Uchihiro Shoko Asahara controlled Kyubi no Youko to attack Konoha 16 years ago, it was the Watergate of Huo Ying that had a peak confrontation with Ban. Both of them are masters of time and space endurance and compete for time and space endurance. Finally, with the help of Raytheon, Namikaze Minato repelled Ban (the fourth generation Huo Ying was the only one who could defeat Uchiha Madara except the first generation Huo Ying) and buried him in Ban. Then rushed to the village of Konoha to seal chakra, half of Kyubi no Youko, sealed chakra with ghosts, and the other half of Kyubi no Youko, sealed Naruto's body with gossip with the consciousness of himself and his wife Vortex Nai! This shows that the strength of the four generations has reached a height that one can't catch up with! He is also the second person to repel Uchibo Madara after the first generation of Huo Ying Senju Hashirama.
And "Ninja exists for protection. . . "Four generations have always believed in this belief and become the fourth generation of Huo Ying. His beliefs are consistent with those handed down from the early generations of Konoha.
In terms of strength, leadership and his own personality, Namikaze Minato can definitely be an excellent leader.
This is why the third generation will let Watergate serve as the fourth generation.
The above is my opinion.