I was trying to track down an easy shot at a critical framing of his viewpoints. It's surprisingly hard to find people on the internet who criticize George Soros in a coherent and reasoned way.
If you follow the source links from that page you do find a coherent and reasoned criticism of Soros.
The authors don't want felons to vote, don't want poor people to vote, don't want African-Americans to vote etc. Soros funds efforts to make this happen. The Republican party on the other hand has aimed towards the opposite goal for decades and is on the record that they're doing it intentionally because the less people vote the more likely they are to win.
So it's perfectly logical and rational, it's just anti-democratic.
I mean are we all supposed to just pretend this stuff doesn't happen? There's been supreme court arguments about it, it's all on record.