"Sometimes when things you love get really commercial, you end up feeling betrayed by it"

In this quote, Gwyneth Paltrow is expressing her ideas on how things she loves can end up being extremely advertised. She suggests that when something she holds dear becomes too focused on making money and losing its credibility, it can seem like a betrayal. This could be used to various aspects of life, such as a preferred hobby or a precious brand name. Paltrow is highlighting the disappointment and sense of loss that can come from seeing something you enjoy become more about revenue than enthusiasm. It is a tip to remain true to what you love and not let it be consumed by commercialization.