[esafak]

Developers are not responsible for UX/UI. Product designers and managers are. As someone who has been using software since the 80s, I would say awareness of UX/UI in industry has steadily risen. However, there are some dynamics that are detrimental to software quality, such as the principal-agent problem in business software (where the buyer is not the user) and the promotion-driven design problem in large companies (where the UX may take a back seat to other criteria for promotion).