That's because one of Chrome team's KPIs is how many Google searches are performed through the Omnibar, and better tab search would decrease that KPI and decrea

That's because one of Chrome team's KPIs is how many Google searches are performed through the Omnibar, and better tab search would decrease that KPI and decrease Google ad revenue. Think about it: it's a web browser literally built by the biggest search company in the world. The latest version of Chrome will even add Google Drive files to the omnibar search for G Suite users. There is no excuse that they have a worse omnnibox search than Firefox.