Correct. Self made framework is a good thing for pet projects and in terms of education. But if you work in a team on the long-term project it's better to use s

Correct. Self made framework is a good thing for pet projects and in terms of education. But if you work in a team on the long-term project it's better to use standard tools since there will be a need to expand the team and it's better new members are already aware of the used tools/frameworks.