I think this is referring to this question on Lifehacks.SE:
How can I keep my cat off my keyboard?
Seemingly cat traps love medley,
The highest-voted answer has a photo with a box labelled "Cat Trap", and is by user Tom Medley.
Cats love the responses to me,
There are 12 different answers, 4 of which have >30 upvotes.
I help prevent a big clean up
By preventing a cat from sitting on your keyboard, you prevent having to erase all the text that was "typed" by the cat.
So you can type up Sup!
I'm assuming this just means that you are able to type.
I trap cats like a boss,
Again, the box is labelled "Cat Trap".
since they can't get across,
Cats are distracted by the box, and can't get "across" to the keyboard.
I put a bounty on this guy,
The top-voted (and accepted) answer was awarded a 500-rep bounty.
and attracted so many guys,
12 different people provided answers.
I look like an election just happened,
these people so happy for them votes
There were an awful lot of upvotes on the question and several of the answers.