This would be helpful for informational content that does not belong within native objects, like activities, goals initiatives, etc.
This would benefit all users and will give the product stronger capabilities as a repository. Our company would most use it in the Notes object, but I can see this being used in any field that leverages the text editor.
This should be relatively easy to build and makes the product and its UI more user friendly.
While Tables don't need to be full-fledged spreadsheets like Excel or Google Sheets, added features would broaden the use-cases for tables. Also, basic features such as sorting and filtering would make tables more usable.
Collapsible sections in Notes would also help to hide long tables → https://big.ideas.aha.io/ideas/APP-I-6256