The problem with abstractions (in code) is in their purpose - "Hide the details". You can create an abstraction that hide the details really well but this also

The problem with abstractions (in code) is in their purpose - "Hide the details". You can create an abstraction that hide the details really well but this also means that it makes it really hard/convoluted to find the details when required. Also, usually you don't have just one abstraction, instead you have layers of abstractions and that makes things more complicated.