It's possible they're not talking about lolcats but instead about the Reddit habit of up-voting pictures of cute cats (and other animals), calling them "karma m

It's possible they're not talking about lolcats but instead about the Reddit habit of up-voting pictures of cute cats (and other animals), calling them "karma magnets", and so on... see for example http://www.reddit.com/r/aww http://www.reddit.com/r/aww