Yeah, I suspect that's the intention. There's a definitely a cultural break. To me, lowercase creates a casual tone in texts/chat. But in long form, especially published (i.e. purposefully displayed to an audience), it sends me a tone of disinterest or laziness at worst; or at best, simple innocent ignorance/mistakenness (like misspelling). Clearly neither is the case here though.
oh yeah i definitely agree! the tone communication can be useful but in longform writing it gets very grating and confusing/distracting. it's also just more social engineering to pretend to be authentic when one is clearly not.
i prefer this type of writing for comedy generally