Arguably changing a look does give a career a boost since new content is very "new", reinvention is very common in all of entertainment.You dont achieve that with lip fillers or dying your hair a different color.
Romi posted about this on Reddit and AdultDVDTalk. She's never been an all natural and changed her look more often before the industry and is happier with her appearance than ever even though she also said the blonde won't be forever and is doing it for fun. Let the woman who's entertained you for a decade live, she's doing something right if people are still talking about her at all given how little she's shot for major companies in rec ent years.