Scroll up a couple lines from your link and take a look at the sponsor, who Republicans nominated to be President. So no, your partisan assertion is nonsense.
Are we to think that the Republican party of 1990 - of the Bushes and the Cheneys and the Romneys - is the same as the Republican party of 2025 that has driven them out of the org?
Now, sure. At the time? Same sort of bullshit.
https://en.wikipedia.org/wiki/Americans_with_Disabilities_Ac...
Both are rooted in the same concept - that people should have fair opportunity to participate in society even if different in some ways.