Although figures are scarce and out of date, the growth in the availability of services has not been matched by an increase in the proportion of workers employed overnight.
Looking at those numbers, we see that this type of content is still difficult to get on subscription services (and getting progressively worse) but that availability on VoD services is pretty stable.
Given the widespread availability of contraceptive services, and the far less restrictive other ways to increase their availability, the government can hardly claim it has a "compelling" interest in marginally increasing access to birth control by requiring objecting employers to join in this effort.