"But even in that little amount of time I've really begun to realize how inaccessible a lot of websites are even now"
=> Yep, I'm not surprised, and I think, it's getting "worse" since 5y => since 3y => since 1y, yep really since 1y, and I think the "Trend" (hum..., "Trend" / "Trending", I've seen that Term recently "somewhere, ah-ah...!), trying to force Websites to adopt/respect some "conventions" will never work, the 'Accessibility Helpers' Software(s) should get smarter and more clever, is my Opinion...