This idea is also a bug in that layout tables are automatically generated by Oracle Analytics Cloud by default which causes an issue for screen reader users. The idea is to change the way new content works so that these tables aren't automatically generated.
Most pages contain layout tables to position content visually which can cause reading and navigation issues especially for people using screen readers. The layout tables add extra padding around elements and blank spaces. This fails WCAG 2.2 success criteria 1.3.1 (Info and Relationships), 1.3.2 (Meaningful Sequence) and 3.2.3 (Consistent Navigation).