I think you're giving companies too much credit. Freakonomics did a series called "Does Advertising Actually Work?" and the tl;dr was ¯\_(ツ)_/¯
https://freakonomics.com/podcast/does-advertising-actually-work-part-1-tv-ep-440/
https://freakonomics.com/podcast/does-advertising-actually-work-part-2-digital-ep-441/
It sounds like they want you to do it during working hours or else they wouldn't offer those times. It's a service offered by your job so it could be interpreted as a work-related function and therefore you should get paid for utilizing it.