It’s actually totally cool if you don’t use this. That’s why the Classic Editor exists, and the WordPress project has committed to supporting it through at least 2021: https://www.ads-software.com/plugins/classic-editor/
Reviews tend to skew toward people who feel frustrated, which is understandable. If a product works fine for you, you’re a lot less likely to write a review than if you’re frustrated. User research and feedback has indicated there are lots of people for whom Gutenberg has made a real difference.
Making software that works well for 30% of the web is a big undertaking, and we won’t get it right for everyone right out of the gate, but we’re trying to continually improve.
Do you have specific issues you’ve experienced with the editor that you’d like to share with us?