When I read posts about DBT being invalidating I get frustrated, because that's not what DBT is about. I've been in and run groups and from my perspective DBT is all about acknowledging and accepting your feelings. The point of the exercises is to teach skills some people lack so issues can be handled in a more productive, effective way. If you need individual therapy you should still see someone, since DBT is not meant to be a replacement for individual therapy. Some DBT groups are not run very well and some people might have a hard time with the class like format. If the T is leaving you feeling invalidated though, I wouldn't write off all DBT groups. I'd try to find another or get some books and try it on your own.