We Tablists* only have to point out one hole at a time to continue being right. Not restricting the statement just makes it harder to refute, since you have to cover all the ways in which CSS-for-layout is deficient, rather than just a single way.
* Table-for-layout-ists is just too long, don't you agree? ;)
* Table-for-layout-ists is just too long, don't you agree? ;)