The chat uwu has an owner maccy (1400430710) that is having unauthorized commercial content selling social media accounts which is illegal.
According to the xat terms 2. Restrictions "You will not post unauthorized commercial content (eg spam or advertising)"

Here's proof of them advertising illegal sale of social media accounts using their scroller and promoting their chat to advertise.
https://prnt.sc/jiupfa
https://prnt.sc/jiupk1
https://prnt.sc/jiuppe
https://prnt.sc/jiuqiw

also swearing on promo
http://prntscr.com/jiv15p