LONDON — The Chinese government’s crackdown on tech giants’ monopolistic behaviors has finally allowed luxury players to not pick a side, and instead have a full presence across all major platforms. As evidence of this, Thom Browne , now owned by Ermenegildo Zegna Group, launched its official online flagship store on Alibaba’s business-to-consumer platform Tmall on Friday. The brand said the Tmall store will concentrate on delivering diversified fashion ideas and providing customers with a comprehensive online shopping experience. It carries a selected range of fashion products including ready-to-wear, bags, footwear and accessories. While the brand has built up a…