At least they didn't smoke
When Roddenberry tried to get out the pilot in 1964, the powers-that-be wanted the characters to be seen smoking cigarettes in order to appease one of the sponsors at the time. Roddenberry said no way, people will be smarter than that by then.
He may or may not be right, but be grateful for his standing firm against one bad habit. And Hollywood execs certainly haven't changed. They were also the ones who wanted him to get rid of that guy with the funny ears.