I think this is an interesting point. Now that nearly everyone uses the Internet, the bar for accessibility and the accompanying workload for implementing it is considerably higher than what it was in the 90's.
There probably weren't as many accessibility advocates back then. But accessibility is still crucial to have from a modern standpoint.
Actually, back then html was just a document format. Something to read. Alt tags were the biggest issue. Flash and js brought hidden controls and unannounced behavior trying to reproduce the native desktop controls that had accessibility build in.
There probably weren't as many accessibility advocates back then. But accessibility is still crucial to have from a modern standpoint.