Having control over web infrastructure (search and browsers) that facilitate trillions of moneys in trade is always going to be a goal of corporations.
First it was Microsoft, it got antitrust, that benefited Google and we are back to square 1. Google gets broken down and we will be back here again after a decade or two.
Gemini is great but it must explicitly not adopt any features to enable e-comerce or its fate will be the same.
The idea that you can have a tech small enough that you can implement clients and servers cheaply is good but it will limit how far you can go with it. We need a better web for commerce. Gemini should not try to be it.