A brace from Paddy Madden sent the Dons - who beat QPR in the FA Cup on Saturday - to their first defeat in 2013, with goalscorer Kay dismissed in the second half for an off-the-ball clash with Madden.
The game was thrown into doubt with Russell passing a late pitch inspection as swirling rain swept across Huish Park.
Robinson slammed the referee's decision to dismiss Kay and believes his side are being punished for being "too honest".
He said: "The lad has turned around and ran at Antony Kay and went down holding his face.
"I got told by an official that my players and I are maybe too honest. Luckily for us, we have got the video footage of all the incidents.
"How many times has something like that happened to us this year? We don't dive, we don't go to ground and we don't feign injury. We try to conduct ourselves in the right way.
"The pitch was a shambles, but both teams had to play on it so fair play to Yeovil. On the back of the physical game at QPR it really took it out of us.
"We weren't great and we weren't at our best, but thanks to the fans for showing their support and for coming along.
"In the first 20 minutes we looked lethargic, lazy and disorganised, and that's not how we play."