eSIMs are becoming more popular over time. The latest iPhones are actually eSIM-only, with no sign of this changing. Cheap eSIM phones will soon be even more accessible. In fact, a Juniper Research report shows eSIMs are already 35% cheaper than roaming. (https://www.juniperresearch.com/press/pressreleasestravel-esim-users-to-grow-440-globally-over-the-next-5-years/)