Plenty of companies cannot pay for software with a card. Purchase orders, invoices, thirty-day terms — that is simply how their finance department works, and "PayPal only" ends the conversation.
Connects can now be purchased against an invoice. The balance is credited and you settle the invoice on your normal terms.
Underneath, payment handling was restructured so payment methods are pluggable, which is what makes adding a method a configuration change rather than a release.