This all sounds to me like capital intensive businesses against entrenched players where even the not so average consumer would likely not do more than pay lip service to it unless there was some secret sauce to this that was more compelling to the options

They neeed a good out of the park product in those markets to make any real headway. Too idealistic.

My only thought on this is that they should pivot to be like algolia , focus on Firefox being a reference implementation browser and seek their expertise to the other vendors, maybe. It’s one of the few verticals I can think of that would work strategically Without them having to pivot into things they have no experience with