Hersi Ali did try that and said that Islam needs to fix its own house first (end subjugation of women for example) in order to reduce the likelihood of extremism and for that criticism she had to flee Europe and take up residence in the US for her personal safety.

https://www.theguardian.com/books/2015/apr/27/heretic-islam-reformation-ayaan-hirsi-ali-highlights-scale-of-the-task