You clipped that in the middle and left a statement that doesn't make any sense. "...as illegal" can't be true, false, or even meaningful without the comparison that comes after. And with that comparison -- the comparison to forms of discrimination (such as racial) that are permitted only when the standard of strict scrutiny are meet, it's a simple statement of the fact of well-established constitutional case law. And is one of the motivations for the ERA, whose advocates argue that it is necessary to subject sex discrimination to the same degree of scrutiny.

Next time read a whole sentence before accusing someone of lying.