Yakuza 8's name change was specifically for new Western players

The creators of Yakuza / Like a Dragon: Infinite Wealth, Ryu Ga Gotoku Studio, have given some explanation for the series title change

A Deep Dive Into Every Yakuza Minigame – The Story Arc

What order should you play the Yakuza games?

Like a Dragon Gaiden: The Man Who Erased His Name further details story, characters, and organizations - Gematsu

Yakuza's Kazuma Kiryu is back in Like a Dragon 8 and a new spinoff - Polygon

Like a Dragon: Infinite Wealth - How to Change Jobs - SAMURAI GAMERS

Every Yakuza Game Ranked From Worst To Best

Yakuza Series Seems To Be Changing Its Name To 'Like A Dragon' In The West

SEGA rebrands the Yakuza games to Like a Dragon for future entries

Yakuza 3 - Wikipedia

Yakuza (franchise) - Wikipedia

Ryu Ga Gotoku confirm their series isn't Yakuza anymore, it's Like A Dragon

The Real Reason The Yakuza Series Is Changing Its Name