Answer:
When doing nails, especially when painting or applying artificial nails, some people may have difficulty performing tasks that require using the finger with the nail done. A specific example is clocking in, where they need to use that finger to scan their fingerprint or press a button, but they can't do it because the nail interferes."
This explains why some people may find it inconvenient when getting their nails done, especially regarding tasks that require the use of the finger with the nail done.