To me, what sucks about JIRA (and would suck about any well-designed tool that replaces it) is not "feature x" but the entire JIRA mentality. All of it. It encourages micro-management. It encourages more and more process. It is the enemy of getting better at the DORA metrics, which requires streamlining process. tickets in JIRA are not the work itself, never was and never will be, it is a LARP of the work, but it get…
I think it's a case of there being multiple truths, and depending where you sit on the food chain you'll sing one and not the others:
1. If you're a highly competent dev it gets in the way and wastes valuable time
2. If you're a project manager with thousands of moving parts and a diverse array of talent from almost useless to God-tier it can help keep things on track
3. If you're a rookie you can at least quantify and digest which tasks require your attention and not feel overwhelmed
4. By virtue of some common personality flaws you over-estimate how good you are, underestimate what you need to do, and work on the wrong task and still say it's a pile of shit despite it being exactly what you need