It plays into the Ponzi or scammy narrative. 
You don’t need them to use BTC or SATS. Nobody does. 

Better to just ask if they’d prefer cash or Bitcoin. And if BTC you’d be happy to show them how to quickly setup a wallet. 

It’s a waste of time anyway. Satoshi’s own words confirm that. https://image.nostr.build/a9f19c8d01c12d47421fced75b3944c6cde164e4faa4c8cb5f6c9988adc506a1.jpg