Visa and other institutions are trying to discourage their clients from buying crypto in any way. I, as a Coinbase customer have witnessed it myself many time already. You always make very informative posts, thank you.
Below, you can see what message Coinbase resently sent to its customers.
“Dear Valued Customer,
Over the last two days, some customers who recently purchased digital currency with a Visa credit or debit card may have seen duplicate transactions posted to their cardholder accounts.
This issue was not caused by Coinbase. Please see our blog post for additional detail (also copied below)....”