I think it is nonsense to listen to the self-taught Japanese of a foreigner who has never lived in Japan and say, "It is different from native Japanese." In fact, we should praise him for his effort to speak so fluently!
Taka's English is pretty good for a Japanese speaker. There are many words that are hard to pronounce for a Japanese person and he does say "um" a lot but so do American speakers when they are deciding what to say. I wouldn't hold it against him but the rhythm of his English is better and since he lives in LA maybe half of the year, he does have a lot of American friends. He even picks up slang like in one video he said "easy peasy." I never heard that before and I am Japanese American. After he said that I heard it a lot more. I learned something new. LOL!
昌子ちゃん‼️最高嬉しい限りです。🌈🎶🌈🎶🌈🎶これは、あのONE OK ROCKの貴くん‼️の英語力ですね。歌も鳥肌立つくらい素晴らしい歌唱力。昌子ちゃん‼️の遺伝は歌に引き継いでますね。貴くん‼️の英語は昌子ちゃん‼️もビックリするくらい何時覚えたんだろうと何時も言ってましたね。youtubeで、探索しながら聴いていきます。又再アップ有り難う御座います。配信アップ有り難う御座います。本当に貴重な映像有り難う御座います。これからもアップ何時でも楽しみに待ってまーす。🌸🌸🌸🌸🌸