I have an incredibly strong emotional attachment to Machinist due to my turbulent history with the job in FFXIV. I was really excited for it when it was announced, as I'm a really big fan of characters who use more advanced technology in otherwise standard fantasy settings. I started leveling it when it launched and honestly it was straight up garbage. I basically hate-leveled it over the course of half a year because even if it was super boring, I thought the armor looked really cool.
Eventually I had to swap over to it for my raid group (I've traditionally mained Monk) since we couldn't fill our ranged slot and I happened to have it leveled. Thankfully, as I got better at it, the more I found myself taking pride in playing it. Years later and I'm still maining it. The job has gone through a lot of changes since it launched, the majority of them being pretty dang awful (this job has traditionally been broken, and not in the fun overpowered way), but I can't help but find myself wanting to stick with it.