No worries and there's some important information on that link which has been discussed by all those criticising Splitit.
Some more good stuff to know about the Splitit plugin for WooCommerce:-Installment transactions are validated and guaranteed by the credit card issuer-Merchants pay a small processing fee and can choose to receive the payments by installmentOr you can receive the total amount upfront after paying a low discount fee-We are pre-integrated with all major credit card processors and gateways and are Level 1 PCI DSS compliant.