This meme format works best to absurdly overstate the uselessness of something you find mildly annoying. That’s when it’s funniest, because the criticisms are grounded in something real, and the low-stakes controversy makes the aggressive tone funny in context.
Yeah, timestamps should always be stored in UTC, but actual planning of anything needs to be conscious of local time zones, including daylight savings. Coming up with a description of when a place is open in local time might be simple when described in local time but clunkier in UTC when accounting for daylight savings, local holidays, etc.