Nothing wrong with modelling your real world business objects with OOP. Thats essentially what Domain Driven Design(https://en.wikipedia.org/wiki/Domain-driven_

Nothing wrong with modelling your real world business objects with OOP. Thats essentially what Domain Driven Design(https://en.wikipedia.org/wiki/Domain-driven_design https://en.wikipedia.org/wiki/Domain-driven_design) is. It's difficult to pull off sometimes but this is the ideal usage of OOP.