You're writing that users suffer from edge cases from the individual webdriver implementations. My experience as someone working with gecko and chromedriver on

You're writing that users suffer from edge cases from the individual webdriver implementations. My experience as someone working with gecko and chromedriver on a daily basis is that the number of edge cases stemming from browser behavior (such as moving to, clicking, and focusing on elements) is a much more frequent pain than differences in the webdriver implementation.