Women are also on anti-depressants so that could change their mood. I've noticed that when I interact with women in service positions, they are not nice to deal with.
Also, birth control pills can be excreted from the body and get into the city water.
I’ve suspected for some time the latter is a factor in rapidly declining sperm counts in the western nations.
There are also all manner of drugs like antidepressants (SSRI) in the water and food cycles.
Just because a female service worker is unpleasant to deal with doesn’t mean she’s on birth control. LOTS of service workers are less than amiable these days. They’re largely outsourced, underpaid, overworked, and have difficulty with speaking clear English, or, shall I say, the English speaking customers have difficulty understanding accented English. My Dad (RIP) was hard of hearing and simply couldn’t understand accented English over the phone. In his waning years, I had to take over, first, by requesting a native English speaking service person. If not available, I had to take over the phone transaction. Even then, it was less than optimal because I have difficulty with certain accents, Indian, (Hindi), Tagalog, Chinese, Vietnamese in particular. It’s not an excuse, but is understandable for service workers to become grumpy dealing with not so nice customers all day. Maybe they’re on birth control, too! In which case they may deserve one another!