debit cards are/where a convenient replacement for checks
not a substitute credit card. For a small fee a merchant doesnt need to wait for a check to clear or hope that the check writer was indeed the owner of the checking account.
Any opinions expressed by me are mine alone, posted from my home computer, on my own time as a free American and do not reflect the opinions of any person or company that I have had professional relations with in the past 58 years. meep