A logo is a companies unique identity. It gives the potential customer a first impression of what your business would be like in terms of service and quality. Yes it is kind of a vanity metric but you need to bale to check the box in order to be competitive.
Logo design is something that you shouldn’t skimp on, after all it is difficult to place a tangible figure on element of brand image, although people will pay astronomical figures to have logos on clothes or accessories. Branding is ultimately a way for customers to show affiliation to something that they believe in, or says something bout their psychology. For example Apple is known for innovation, Nike Air Jordan’s are known for excellence in basketball, all can be identified by their logos.
It is important to remember that every little detail counts even down to the precise proportions on your logo, how it scales, does it look good in a grey scale, and can it stand the test of time. The first few you can get a relatively quick retaliation of. The other, only time will tell.