I used to be one of these shits--sometimes I still am, though I don't say 'it wasn't worth it to make it' out loud or anything, it just gets brain-weaseled away in my own head.
I think it came for me at least from being a single child (sort of spoiled) who used metrics all the time to judge myself (school nerd), so seeing no interest almost immediately kicked some performance anxieties into overdrive. The dumb thing about this particular kind of shittiness is that it involves a specific kind of charisma and patience, not to mention a steady work-flow that allows you to pump out work at a regular pace in order to play the numbers game... and if you're missing any one of those three you can pretty easily crash and burn into the behaviour that you're mentioning, OP. On the other hand the creative force in some people is a strong enough itch that you can't ignore it for long, even if you're not skilled enough or even if you lack some of the fundamental cognitive factors that make a creative work appeal to other people.
tl;dr: those comments often come with being too up your own butt to realize that you need to touch grass between whatever you're working on and the next piece so long as you keep working at a regular basis, because ain't nobody has time for shit venting behaviour, even the people making whatever is getting read. It's a bad habit that doesn't need to be encouraged.
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I think it came for me at least from being a single child (sort of spoiled) who used metrics all the time to judge myself (school nerd), so seeing no interest almost immediately kicked some performance anxieties into overdrive. The dumb thing about this particular kind of shittiness is that it involves a specific kind of charisma and patience, not to mention a steady work-flow that allows you to pump out work at a regular pace in order to play the numbers game... and if you're missing any one of those three you can pretty easily crash and burn into the behaviour that you're mentioning, OP. On the other hand the creative force in some people is a strong enough itch that you can't ignore it for long, even if you're not skilled enough or even if you lack some of the fundamental cognitive factors that make a creative work appeal to other people.
tl;dr: those comments often come with being too up your own butt to realize that you need to touch grass between whatever you're working on and the next piece so long as you keep working at a regular basis, because ain't nobody has time for shit venting behaviour, even the people making whatever is getting read. It's a bad habit that doesn't need to be encouraged.