Probably because businesses themselves want all their applications connected so one doing the administration is easier (and better) and there is more management information.
Then again, there are still a ton of bookkeepers and accountants (especially in the US) wasting your money on reconciling bank transactions more than once a year when the bank connector is foolproof
Deebster@infosec.pub 1 week ago
Businesses like having an app on your phone because they can update it to fix bugs, add features, track your activity and send you notifications/ads when they have something new to sell.