Lemmy will be bigger than Reddit as reasons why is it is taking a while to grow is because people are still learning about it and creating their first accounts however once that initial barrier is knocked down they’re here to stay. It also didn’t help much back then the third party apps weren’t so great during the api migration. And many moderators did not have expertise to start up their own instances so some decided to stay in the spez platform.
I have had many people in classic wow tell me they never heard of Lemmy until I brought it up in guild chat. So hopefully I convinced a few to try out the platform.
You could also communicate locally to prevent the zurg rush.