Considering "I Can Has Cheezburger" and that kind of lolspeak is nearly 20 years old now, I'm not surprised to see some people unfamiliar with it nowadays :-)

I'm very familiar with it, I'm almost 40. But as you say, its time passed almost 2 decades ago and now it's just cringeworthy baby talk

Fewer tokens. Costs more to use full sentences. smol word less token cnt