It’s mostly about likelihood of ownership. Some folks need complete anonymity which your plan would not provide.
If you are skilled with the coin, people can see the balance in your wallet when you pay them and don’t use coin join.
There is a lot to this topic that may be better answered in a convo, but citadel dispatch pod has a few episodes on this topic.
It’s important, but maybe not for what you need. Do more research to decide for yourself and what your threat model is.