Demanding importance is fairly difficult to understand. It refers to someone who is immensely picky and judgmental. A persnickety individual tends to nitpick and sets the bar high when it comes to expectations and flawlessness. Their meticulousness can be seen as admirable, but it can also exacerbate excessive censure and avoidable dissatisfaction. Being persnickety is typically related to meticulous attention to detail but can also be seen as a manifestation of pedantry.