When the web and HTML pages first started up, they were all designed in such a way that accessibility software would have been able to navigate. Since, a lot o

When the web and HTML pages first started up, they were all designed in such a way that accessibility software would have been able to navigate. Since, a lot of time and money has been invested in making the web less accessible. Not all discrimination requires a special effort to not serve a specific part of the community. See Google Photo's gaffe identifying a black skinned person as a gorilla. This is discrimination through a lack of consideration or effort. A similar process has occurred with accessibility (and more) on the web. A lot of time and investment has occurred to 'improve' the web for specific groups and interests, without considering the impact on others.