Do not use tables for layout unless the table makes sense when linearized.
A screen reader will read this table cell first . . . |
. . . this table cell second. |
. . . and this table cell third. |
View WAI checkpoint 10.3 - Until user agents (including assistive technologies) render side-by-side text correctly, provide a linear text alternative (on the current page or some other) for all tables that lay out text in parallel, word-wrapped columns.