I have wondered the same thing. I just did a search and all I can find is uninformed speculation about how its "more secure" or because its required as part of

I have wondered the same thing. I just did a search and all I can find is uninformed speculation about how its "more secure" or because its required as part of the mobile technology. None of it seems correct and my guess is there is just no push for esim because every phone has to have a sim tray for compatibility and every carrier gives out a sim because everyone has a sim tray and knows how to use it.