A logo has to survive being shrunk to the size of a fingernail, printed in one color, and read from across a parking lot. Most that fail, fail on one of those three.
Logos get judged on a big screen and then live in the real world. That gap is where most problems start.
A logo that handles all three is usually simpler than what people initially want.
Clever marks that need explaining lose to clear ones that don't. Your customer sees it for a fraction of a second.
A tooth for a dentist, a wrench for a mechanic — instantly readable and instantly forgettable, because four competitors used the same idea. The goal is recognizable within the category while still being yours.
Your site is probably dark, your paperwork is white, your shirts might be black. A logo locked to one background creates permanent problems.
A business name set in an obvious system font reads as unfinished, because it is.
A business takes their logo to a sign shop and gets asked for the vector file. They only have a JPG made years ago. At sign size it's a blurry mess, so the logo has to be rebuilt from scratch — usually on a deadline.
The logo anchors everything else. It determines the color values and typographic direction that your website, print materials and ad creative all inherit — see full brand color palette and brand identity.
Describe what your business needs and you will get an honest read on what would actually help.