1. You claimed "he's immesurable speed" without any evidence and you just assumed it.
2. No the hell he did not .-.
3. No I did not .-.
4. That's false...the translation I sent you was the official english translation.
There is no official english translation, the one you sent is also a fan translation. And it's not false, put the kanji through a translator yourself if you wanna check.
光の如(こと)きスピードで突(とっ)進(しん)しながら、膨(ぼう)大(だい)なチャクラを込めた腕を、相手の首元(もと)に打ち込む!!
https://media.**********.net/attachments/942606474176249876/1050289714923585576/V1_Ay_and_Bee_Lariat_is_Light_Speed_collage.png?width=464&height=579
Was there ever any doubt
1. after that guy said that it's the same justsu that Kakashi use to cut lightning
Yes, the technique itself is the same. I've said this multiple times. Just because a jutsu is the same doesn't mean the stats of it are the same. Naruto's TSOs are technically the same as Kaguya's, but they're very different in power.
2. Just your headcanon and how does that downscale the raikage
It downscales the Raikage cause Kakashi outsped that lightning bolt, so if he wasn't Raikiri amped, that just means normal Kakashi is faster than V1 Ay, who is directly stated to have lightning speed. I'm actually giving Ay the benefit of the doubt by saying Kakashi was amped when he outsped False Darkness.
https://media.**********.net/attachments/942606474176249876/1050678418095734784/FKS_V1_Ay_is_lightning_speed_collage.png
3. Sasuke could react and Kakashi while he was going blind while Sasuke with his MS could not react to the Raikage
Why do you keep talking about V2 Ay, I haven't been talking about him at all and you keep bringing him up. 3T Sasuke casually reacted to and tagged V1 Ay with Chidori.
Karin stated that nothing can match the raikage speed
Yes, nothing she's seen is
equal to the Raikage in speed. That doesn't mean no one can react at all to the Raikage, because we clearly, objectively see that Sasuke does activate Amaterasu before Ay can chop him, meaning that he reacts and uses a jutsu mentally.