If a guy likes the d but identifies as straight, then yes, he's straight.

If a guy likes the d (and less so the v) but also musicals and brunching and still identifies as straight, then he's straight.

At very least, the closet continues to be a necessity for some folk in intolerant circumstances.

Identity is something one works out for themselves. Heck the Kinsey scale implies almost everyone should be bi, (even if not very bi) and yet our booleanist society seems to want to categorize only Kinsey-0 as straight (with everyone else as Oh-So-Gay).