Agreed, but this post looks like it's been written by a junior developer. If he/she finds the ideas of Façade, DAO and Services interesting it means those patterns are new to him/her. If that's the case I was trying to redirect his/her learning efforts to what most of the industry is using on a Java stack. Of course there still are legacy applications using Java EE, SOAP, XML payloads, etc... I've worked in projects using these technologies, but luckily the industry at large has moved on. Also Jakarta EE is copying many of the patterns and ideas from Spring/Spring Boot.