Like what? The only reason I’ve seen is laziness. Several banks in my area still require IE for some of their more elaborate online services. It’s typically limited to business users, but they’re still requiring it; to the point where they have a team of support agents that remote connect and reconfigure edge to run an IE-mode tab to the site, and install all their malware on your PC to make the service work. With the proper effort the whole thing could be reduced to little more than a chrome/firefox/opera/edge/safari/whatever extension…