Cleanly retrieving user profile data using an Entity Metadata Wrapper

Today I needed to load some Drupal user data via a profile2 profile. When looking into this, most resources that I found suggest using this approach and calling the profile2_load_by_user() function directly and passing in the user object:

$account = user_load(...);

$accountWrapper = new EntityDrupalWrapper('user', $account);
// or `$accountWrapper = entity_metadata_wrapper('user', $account);

$profile = profile2_load_by_user($account->value());
// or `$profile = profile2_load_by_user($account);`

$profileWrapper = new EntityDrupalWrapper('profile2', $profile);

$firstName = $profileWrapper->get('field_first_name')->value();

This though requires a few steps, and as I'm a fan of object-orientated code and Entity Metadata Wrappers, I wanted to find a cleaner solution.

This is my preferred method that uses method chaining. It returns the same value, is less code, and in my opinion, it's cleaner and easier to read.

$firstName = $accountWrapper
->get('profile_user_basic')
->get('field_first_name')
->value();