I'm not sure I'd use the term "pervasive", but this may just be a matter of semantics. See below. Most of the male pilots I've flown with have been respectful and professional. It's somewhat unusual to run into one that is overtly demeaning to women (or demonstrates some other kind of unacceptable behavior).

Without referencing the present case at Alaska...

It's a well-known fact that there are problem children at every company. One of our managers once told me that 10% of his employees seem to use up about 90% of his time and energy. For pilots, I think the percentage is more like 3%, but you get the idea. The range of "bad" behavior includes verbal or physical abuse, substance abuse, or intentional disregard for safety or operational procedures.

After you've been at a company for a few years, you know who the "bad actors" are. Management and the union know who they are. Nothing happens. Sure, the guy (or gal) might get hauled into the Chief Pilot's Office and get a lecture, or have a form letter added to their personnel file. Three months later, they're up to their old tricks again. Unless they do something that's actually illegal and/or exceptionally well-documented, nothing will happen.

The biggest part of the problem? Not that it's "pervasive" (it's not), but that it continues.