That's largely up to you - like all jobs and organisations there are things that are good & things that are not so much. They are what they are and how you handle them/are affected by them is an individual thing (personality, personal circumstances). Yes, we get restructured periodically, managers obsess with "projects" and government interferes from time to time, but that's hardly unique.
PPrune is an Internet forum - it's where people come to bitch, moan and vent, so needs to be read with that in mind. You don't get people here saying how good things are very often. The training is hard and there is a high attrition rate (historically roughly 50% who start the course fail to attain a rating) - some people have trouble accepting failure and need to blame something, rather than accept that maybe they just can't do the job.
Personally, I've been doing the job (and flight service before it) for 25+ years, still enjoy it and just ignore the bull**** (mostly). It's not a job for everyone and no amount of hard work will get you over the line if you can't pull the various skills required into a whole. Be prepared to be flexible and don't expect things to be done the way you want them - you have to fit within a system that has a fairly rigid framework. Not saying there isn't room for individuality (there very definitely is) but there are certain aspects that aren't negotiable.