Hello @moneyguruu,
Thanks for sharing informative blog again.
I feel in branding/marketing , centralize exchanges are way ahead , they promote and brand themselves cleverly where as this is not the case with decentralize exchanges. decentralize exchanges needs to enhance User interface for better user experience ,support , communication with community & their presence in social media to make them big in market.
When centralized exchange came they even started slow same is with DEX as well so just give them time and i feel they will be future @suniltikar