First time encountering a hacker in Mario Kart Wii

So I played with this guy before in a room while the stream was live, but he didn’t hack there. Went onto his open room again, without streaming, and saw that he had hacks enabled. Not exposing this guy, but he’s just awesome, okay, please don’t hate on him, he only speaks French.
Here is the stream where he didn’t hack (I am at 3:47:49 until the end):
www.youtube.co...
Here is his channel, make sure to subscribe to him as well:
/ @eliasmisternintendoad...
Wiimmfi Friend code if you want to add me:
mkwiiyoshi (1938 7447 1493)
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[@eliasmisternintendoaddict93]

Thats me don't worry I'm nice

[@coryo.3898]

How do you hack on ctgp

[@eliasmisternintendoaddict93]

@@coryo.3898 Actually I'm not on CTGP I use Riivolution

[@thelogochannelXTRA]

It’s strange how you always have an open room and I’m the only one who joins 🤔

[@eliasmisternintendoaddict93]

@@thelogochannelXTRA Sometimes I forget to close or intentionally open if players join

[@Lucas26552]

@ro