He means that many people in a corporate environment wouldn't expect a anime girl with a magnifying glass popping up on your screen, that could reflect badly on your company. Just imagine some CEO sharing his screen in a presentation and his background is a screenshot of some hentai scene or something. It wouldn't make you seem very professional in the eye of the other corporate people.

That's why companies that use anubis will usually pay for the subscription so they can replace the mascot with something else.

It's just a silly anime girl showing up on first page load. If you're deathly afraid of seeming unprofessional, that's gonna do your head in...