Totally agree and I think this is one of the two most important features Obsidian should have.
This is the reason why Roam, Workflowy and Dynalist are more easy to write down and organize ideas. Becase firstly, there is no other interference such as giving a filename to bother you, and secondly, I have confidence to write my ideas everywhere since I know that I can retrive them easily by filters.
Another important feature is ofcourse WYSIWYM. WYSIWYM doesn’t just means clutter free. The two key point of WYSIWYM is render Image and Block (including Latex etc.) in Edit mode because I want to see what I have written when I am writing. Clutter free is not a must have but it’s better for nothing. For example, changing from " # Head" to “Head” doesn’t make a big difference, but changing from “![[2020-12-18#^807090]]” to a real text will be a great improvement.