That isn’t the normal use of a smartphone. For the average person who rarely changes network and doesn’t debug connectivity issues eSIM is the better option.
Swapping sims is easier now. You scan a QR code, wait 30 minutes, restart phone and you're good to go. No need to wait for a sim card to be mailed to you. No need to purchase a sim card in the local store.
Why do they have to be homeless?