Personally that would be a big negative for me. I like to go to different places than my friends. Yes it's irrational, but I find it boring talking about something we both know; "Did you stay at the.. oh yeh, of course you did. The view from the bar was... oh yeh you know that too"
Well then now you know Tina has been there and you can go somewhere else, no? it's not like you are forced to book the same hotel because you saw her review