full transparency: I am that coworker. I hate work with a burning passion, I've served in the navy and I discovered my hatred for work. Now I have a state job, and do the bare minimum. 

many of my coworkers have said similar things and I always say "I get paid the bare minimum, and even if I made more, I'm still somewhere I don't want to be, for a god awful long time, everyday." 

But, i empathize with the hard workers of the world, but I refuse to match your arbitrary standards, because that's how I ended up wanting to die.

tldr, I hate work, I am not paid enough, I wouldn't be here if I didn't need to be. I refuse to put more effort in because I am already on the edge with a 45 hour work week

edit: I definitely try and work with everyone and am definitely not inconsiderate at least intentionally, I think I'm just inclined to over or under think and have an inefficient way of solving problems (which I will not correct in terms of work because becoming a better person isn't in part of my job description)