There is no easy language or difficult language. There is a language that is properly studied and cared for, and a language that has not received sufficient study and care.
Choosing the structure of linguistic resources and identifying the appropriate tags to solve the problem is not a simple process, and it depends on the understanding of the problem and the way in which it is approached.
There is a great need for language resources that are built by specialized linguists, and are properly reviewed. There is also a need to coordinate efforts between the different entities in building language resources.