Because of tweets she send back in 2013 about Hitler, back then she was kinda stanning for the dude.
http://www.mirror.co.uk/tv/tv-news/tila-tequilas-nazi-comments-revealed-6342880
I must admit I haven't seen the show since 2004, but this UK vs USA concept is pretty interesting . Other contestants are Fatman Scoop, a porn star named Jenna Jameson, Janice Dickenson, drama queen Farrah Abraham and a guy from the A list called Austin Armacost. Farrah already got into a fight with someone on day 1.
The episodes are on the YouTube channel:
they must have known this when they hired her.
Janice has made this unwatchable for me.